60 /podcast The Oregon Museum of Science and Industry presents answers to science questions. en-us 2006 Oregon Museum of Science and Industry Educators from the Oregon Museum of Science and Industry answer questions about science, technology and math. Sound Science is a weekly podcast from the Oregon Museum of Science and Industry. We answer people's questions about science, technology and math. Oregon Museum of Science and Industry podcast@omsi.edu no This week's questions: When are plastic bottles safe to reuse? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/FinalSoundScience.mp3 Fri, 14 Nov 2008 12:00:00 PDT 10:01 science, museum, question, ask, scientist, plastic, molecule, reuse, safe, toxic no This week's question: Why does higher diving hurt more? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/PenultimateSoundScience.mp3 Fri, 07 Nov 2008 12:00:00 PDT 4:27 science, museum, question, ask, scientist, dive, water, high, hurt, pain, surface tension, energy, pressure no Our ?final? questions: Does a full memory card weigh more than an empty one? Why does a lollipop dissolve faster in water than in root beer? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience118.mp3 Fri, 10 Oct 2008 12:00:00 PDT 7:56 science, museum, question, ask, scientist, memory, electron, card, circuit, weight, dissolve, sugar, solution, equilibrium no This week's questions: Does glucosamine help arthritic knees? How do pinhole spectacles work? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience117.mp3 Fri, 19 Sep 2008 12:00:00 PDT 12:16 science, museum, question, ask, scientist, glucosamine, chondroitin, knee, intercellular matrix, eye, lens, retina, focus, pinhole, burry no This week's questions: Where does stuff go in a black hole? Why does a can of compressed air get cold when I spray it? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience116.mp3 Fri, 12 Sep 2008 12:00:00 PDT 7:40 science, museum, question, ask, scientist, black hole, star, gravity, event horizon, pressure, temperature, gas no This week's questions: How do spiders know how to make webs? Why do ducks swim in a line? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience115.mp3 Fri, 05 Sep 2008 12:00:00 PDT 11:32 science, museum, question, ask, scientist, instinct, nature, nurture, behavior, spider, duck, genetic, environment no This week's questions: Did dinosaurs sneeze? Do whales sneeze? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience114.mp3 Fri, 29 Aug 2008 12:00:00 PDT 8:58 science, museum, question, ask, scientist, sneeze, whale, baleen, dinosaur, blowhole, evolution no This week's questions: Does anyone use geometry after high school, and are black and white colors? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience113.mp3 Fri, 22 Aug 2008 12:00:00 PDT 11:54 science, museum, question, ask, scientist, math, geometry, deduct, color, light, wavelength, frequency, black, white no This week's questions: what are the differences between sea otters and river otters, and can dogs be mentally retarded? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience112.mp3 Fri, 15 Aug 2008 12:00:00 PDT 10:34 science, museum, question, ask, scientist, gum, chew, temperature, digest, pass, intestine no This week's question: Are all plastics made out of petroleum? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience111.mp3 Fri, 08 Aug 2008 12:00:00 PDT 10:05 science, museum, question, ask, scientist, plastic, polymer, chemistry, petroleum, oil, hydrocarbon no This week's question: How can I stop my windshield from fogging up? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience110.mp3 Fri, 01 Aug 2008 12:00:00 PDT 10:00 science, museum, question, ask, scientist, condensation, evaporation, water, windshield, mist, fog no This week's questions: what are the differences between sea otters and river otters, and can dogs be mentally retarded? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience109.mp3 Fri, 25 Jul 2008 12:00:00 PDT 13:03 science, museum, question, ask, scientist, otter, sea, river, dog, brain, disability, development, retarded, retardation no This week's questions: why does vacuum silence sound, and how hot is the center of the moon. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience108.mp3 Fri, 18 Jul 2008 12:00:00 PDT 9:32 science, museum, question, ask, scientist, sound, wave, air, molecule, vibration, vacuum, moon, core, pressure, temperature, heat, liquid, solid no This week's questions: where does iodine come from, how do they make it. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience107.mp3 Fri, 11 Jul 2008 12:00:00 PDT 9:49 science, museum, question, ask, scientist, iodine, kelp, seaweed, mineral, chemical, element no This week's questions: why do pumpkins have ridges, and how does deja vu happen. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience106.mp3 Fri, 04 Jul 2008 12:00:00 PDT 6:44 science, museum, question, ask, scientist, brain, memory, deja, vu, pumpkin, squash, ridge, indentation, dna, gene no This week's question: Could my cat be the softest in the world? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience105.mp3 Fri, 27 Jun 2008 12:00:00 PDT 12:23 science, museum, question, ask, scientist, cat, fur, hair, soft no This week's questions: Why do ducks avoid power lines, and how does pumping a swing work. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience104.mp3 Fri, 20 Jun 2008 12:00:00 PDT 9:13 science, museum, question, ask, scientist, duck, migrate, magnet, swing, balance, resonance no This week's questions: Why do bananas go bad in the refrigerator, and can I shoot lightning out of my hands. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience103.mp3 Fri, 13 Jun 2008 12:00:00 PDT 7:55 science, museum, question, ask, scientist, banana, fridge, ripe, carbon, dioxide, lightning, taser, electrode no This week's questions: Can I paint my magnet, why does the sun look bigger than other stars, and why do radishes come with greens on but carrots don't. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience102.mp3 Fri, 06 Jun 2008 12:00:00 PDT 6:03 science, museum, question, ask, scientist, magnet, field, metal, paint, sun, star, distance, red, radish, carrot, leaf, transpiration no This week's questions: Why do penguins only live in the antarctic, why is blood red, and why do radishes come with greens on but carrots don't. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience101.mp3 Fri, 30 May 2008 12:00:00 PDT 10:34 science, museum, question, ask, scientist, penguin, south, evolution, cold, blood, hemoglobin, red, radish, carrot, leaf, transpiration no For our two year anniversary, we answer as many questions as possible in one episode. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience100.mp3 Fri, 23 May 2008 12:00:00 PDT 8:38 science, museum, question, ask, scientist no This week's questions: Who was the first scientist, and how has science changed. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience99.mp3 Fri, 16 May 2008 12:00:00 PDT 10:10 science, museum, question, ask, scientist, first, history, change, experiment, method, test no This week's questions: Why do different whales have different numbers of blowholes, do whales sneeze, and did dinosaurs sneeze. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience98.mp3 Fri, 09 May 2008 12:00:00 PDT 9:12 science, museum, question, ask, scientist, whale, baleen, blowhole, sneeze, lung, dinosaur, extrapolation no This week's questions: what would happen if Jupiter exploded, and how does flash memory work. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience97.mp3 Fri, 02 May 2008 12:00:00 PDT 8:39 science, museum, question, ask, scientist, jupiter, orbit, planet, supernova, memory, mp3, flash, transistor, gate, electricity, electronic no This week's questions: why does your tongue stick to a metal pole, and can volcanoes destroy nuclear waste. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience96.mp3 Fri, 25 Apr 2008 12:00:00 PDT 8:20 science, museum, question, ask, scientist, tongue, metal, pole, freeze, volcano, waste, magma, nuclear, medical no This week's questions: why is flu seasonal, and why do we get fevers. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience95.mp3 Fri, 18 Apr 2008 12:00:00 PDT 9:02 science, museum, question, ask, scientist, flu, virus, season, vaccine, immune, fever no This week's questions: why do pumpkins have ridges, and how does deja vu happen. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience94.mp3 Fri, 11 Apr 2008 12:00:00 PDT 7:12 science, museum, question, ask, scientist, brain, memory, deja, vu, pumpkin, squash, ridge, indentation, dna, gene no This week's questions: what is nanotechnology, what is it good for, and how could it be bad? Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience93.mp3 Fri, 04 Apr 2008 12:00:00 PDT 11:06 science, museum, question, ask, scientist, nano, tech, molecule, atom, carbon, buckyball, tube, space, elevator, gray, goo no This week's questions: what causes northern lights, and can we play sports in space. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience92.mp3 Fri, 28 Mar 2008 12:00:00 PDT 8:21 science, museum, question, ask, scientist, lights, aurora, northern, magnetic, field, solar, wind, space, gravity, astronaut, sport, game, play, golf, moon no This week's questions: where do penguins live, and does each kitten have its own placenta. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience91.mp3 Fri, 21 Mar 2008 12:00:00 PDT 6:31 science, museum, question, ask, scientist, penguin, island, antarctic, habitat, galapagos, kitten, puppy, litter, birth, multiple, umbilical, placenta, uterus no This week's questions: what would happen if you put helium in your tires, and why do we weigh less on the moon. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience90.mp3 Fri, 14 Mar 2008 12:00:00 PDT 9:18 science, museum, question, ask, scientist, helium, car, tire, air, weigh, buoyancy, moon, earth, gravity, diameter, mass no This week's questions: why do spiders freeze when I sing to them, and what's this weird goo in my lake. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience89.mp3 Fri, 07 Mar 2008 12:00:00 PDT 10:16 science, museum, question, ask, scientist, spider, web, hair, sound, hear, vibration, frequency, bryozoa, colony, water, animal no This week's questions: how do batteries work and are there lots of jobs for robot engineers. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience88.mp3 Fri, 29 Feb 2008 12:00:00 PDT 9:55 science, museum, question, ask, scientist, engineer, robot, career, job, battery, chemical, metal, electrolyte, anode, cathode no This week's questions: how can ceramics conduct heat, why is glass blue, and why does a hot drink cool off in a thermos faster than a cold drink heats up. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience87.mp3 Fri, 22 Feb 2008 12:00:00 PDT 10:00 science, museum, question, ask, scientist, engineer, heat, conduct, metal, ceramic, atoms, glass, color, light, frequency, absorb, thermos, insulate, temperature no This week's questions:why do I look upside down in a spoon, and does space end. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience86.mp3 Fri, 15 Feb 2008 12:00:00 PDT 5:51 science, museum, question, ask, scientist, spoon, light, bend, reflect, flip, upside, down no This week's questions:why are my eyes brown and not blue, and does the brain or heart make abnormal heart rhythms. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience85.mp3 Fri, 08 Feb 2008 12:00:00 PDT 10:50 science, museum, question, ask, scientist, eye, color, brown, blue, gene, allele, express, dominant, recessive, arrythmia, ventricle, tachyrhythmia, bradyrhythmia, atrial, fibrillate, defibrillate, pacemaker, sinoatrial, node no This week's questions:why does flubber stretch, and how can diapers hold so much. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience84.mp3 Fri, 01 Feb 2008 12:00:00 PDT 9:52 science, museum, question, ask, scientist, polymer, chemical, molecule, flubber, stretch, diaper, sodium, polyacrylate, absorbent no This week's questions:Will people ever live on Mars, and how much daylight does the North Pole get. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience83.mp3 Fri, 25 Jan 2008 12:00:00 PDT 10:36 science, museum, question, ask, scientist, space, mars, astronaut, colony, radiation, conditions, travel, solstice, pole, sun, earth, light no This week's questions:Are men's nipples supposed to stick out, and why does DNA code in threes. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience82.mp3 Fri, 18 Jan 2008 12:00:00 PDT 9:56 science, museum, question, ask, scientist, nipple, gene, dna, codon, base, protein, amino, acid no This week's questions:Can a baby increase both potential and kinetic energy, and can coffee get hotter sitting in a cup. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience81.mp3 Fri, 11 Jan 2008 12:00:00 PDT 7:34 science, museum, question, ask, scientist, energy, baby, potential, kinetic, heat, chemical, gravity, coffee, hot, insulate, cup, mug no This week's questions:What's the difference between wheat, whole wheat and buckwheat, and why is my rhododendron stump glowing. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience80.mp3 Fri, 04 Jan 2008 12:00:00 PDT 9:41 science, museum, question, ask, scientist, wheat, grain, germ, endosperm, whole, buckwheat, nutrition, vitamins, fiber, bioluminescence, foxfire, fungus, glow no This week's questions:Why does oil burn less than water, and why do we weigh less on the moon. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience79.mp3 Fri, 28 Dec 2007 12:00:00 PDT 6:58 science, museum, question, ask, scientist, burn, oil, water, heat capacity, hydrophobic, moon, gravity, weight, mass no This week's questions: Does acupuncture work, and why do we get dizzy. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience78.mp3 Fri, 21 Dec 2007 12:00:00 PDT 9:18 science, museum, question, ask, scientist, acupuncture, nerve, endorphin, brain, dizzy, canal, ear, semicircular, otolith, otolymph no This week's questions: Why does soda fizz more on ice, and what's the name of that comet. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience77.mp3 Fri, 14 Dec 2007 12:00:00 PDT 9:15 science, museum, question, ask, scientist, soda, pop, bubble, fizz, ice, flat, comet, 17B, Holmes no This week's questions: How does water put out fire, and can water ever really be lost. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience76.mp3 Fri, 07 Dec 2007 12:00:00 PDT 9:22 science, museum, question, ask, scientist, water, fire, extinguish, conserve, waste, pollute, contaminate, salt no This week's questions: How big is a penguin's heart, and is that Saturn I see in the NE in the morning. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience75.mp3 Fri, 30 Nov 2007 12:00:00 PDT 9:24 science, museum, question, ask, scientist, penguin, heart, adaptation, bone, bird, saturn, venus, telescope, sky, watch, see, binoculars no This week's questions: Does thunder and lightning happen at the same time, and why is summer warm. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience74.mp3 Fri, 16 Nov 2007 12:00:00 PDT 9:48 science, museum, question, ask, scientist, earth, sun, orbit, season, axis, tilt, thunder, lightning, sound, light, speed no This week's questions: Why haven't we gone past the moon, and why is an exploding fridge bad. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience73.mp3 Fri, 09 Nov 2007 12:00:00 PDT 10:02 science, museum, question, ask, scientist, moon, mars, space, astronaut, radiation, gravity, freon, refrigerator, refrigerant, cold, poison, toxic, leak, liquid, gas no This week's questions: Why do things seem closer under water, and does water absorb through your skin into the bladder. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience72.mp3 Fri, 02 Nov 2007 12:00:00 PDT 9:14 science, museum, question, ask, scientist, water, refraction, lens, distort, light, illusion, skin, osmosis, oil, sebaceous, gland, bladder, kidney, nephron no This week's questions: Where does science happen besides laboratories, and why does electricity make your muscles twitch. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience71.mp3 Fri, 26 Oct 2007 12:00:00 PDT 7:36 science, museum, question, ask, scientist, lab, laboratory, field, experiment, study, electric, shock, electricity, electrocute, ac, dc, alternating current, muscle, nerve, volta, move no This week's questions: How do our dreams access our memories, and why does my cell phone make my computer buzz. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience70.mp3 Fri, 19 Oct 2007 12:00:00 PDT 11:25 science, museum, question, ask, scientist, dream, brain, memory, amnesia, cortex, hippocampus, radio, interference, speaker, computer, buzz, click, phone no This week's questions: Why does a pop can crush when put in water after being heated, and why are water towers always higher than rooftops. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience69.mp3 Fri, 12 Oct 2007 12:00:00 PDT 7:34 science, museum, question, ask, scientist, water, pressure, air, steam, boil, heat, expand, crush, tank, tower no For this extra episode, we talk about climate change with Philip Mote, Washington State Climatologist. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/Bonus1.mp3 Thu, 04 Oct 2007 12:00:00 PDT 7:50 science, museum, question, ask, scientist, climate, greenhouse, gas, carbon, emission, temperature, global, warming, change no This week's questions: how do radios work, and can you block magnetism. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience67.mp3 Fri, 28 Sep 2007 12:00:00 PDT 10:12 science, museum, question, ask, scientist, radio, wave, electric, magnet, spectrum, field, frequency, tune, capacitor, inductor no This week's questions: Why do ears ring and pop, and why are there so many peanut allergies. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience66.mp3 Fri, 21 Sep 2007 12:00:00 PDT 10:29 science, museum, question, ask, scientist, ear, eustachian, tinnitus, ring, pop, peanut, immune, allergy, reaction no This week's questions: Why can't light escape a black hole, and does string theory work in one. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience65.mp3 Fri, 14 Sep 2007 12:00:00 PDT 9:08 science, museum, question, ask, scientist, black hole, light, event horizon, gravity, space, string, theory, GUT, everything, quantum, relativity, physics no This week's questions: What are those white lines in ice cubes, and what causes an ice cream headache. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience64.mp3 Fri, 07 Sep 2007 12:00:00 PDT 6:26 science, museum, question, ask, scientist, cold, freeze, dissolve, nerve, blood, ice cream, headache, brain, pain, gas, temperature no This week's questions: Desalination, boiling, freezing, condensing, melting and more. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience63.mp3 Fri, 31 Aug 2007 12:00:00 PDT 10:38 science, museum, question, ask, scientist, desalination, boil, freeze, condense, melt, water, molecule, phase, change no This week's questions: Why do some leaves change color and others don't, and what makes some colors primary. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience62.mp3 Fri, 24 Aug 2007 12:00:00 PDT 11:17 science, museum, question, ask, scientist, color, pigment, clorophyll, leaf, leaves, needles, evergreen, deciduous, primary, secondary, light no This week's questions: Why doesn't alcohol freeze in a freezer, and what makes something sticky. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience61.mp3 Fri, 17 Aug 2007 12:00:00 PDT 9:03 science, museum, question, ask, scientist, freeze, melt, chemical, alcohol, mercury, molecule, atom, electric no This week's questions: Why can we see jet planes before we hear them, and why does falling water have more energy when falling further. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience60.mp3 Fri, 10 Aug 2007 12:00:00 PDT 6:25 science, museum, question, ask, scientist, sound, light, speed, plane, jet, water, energy, waterfall, mill, wheel, kinetic, potential, electricity, dam, turbine, generate no This week's questions: Why do apples turn brown, and does the amount of food you see affect how much you eat. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience59.mp3 Fri, 03 Aug 2007 12:00:00 PDT 7:47 science, museum, question, ask, scientist, apple, enzyme, oxygen, iron, rust, oxidize, appetite, visual, look, full, obesity, diet, nutrition no This week's questions: Why we have allergies, and how do vaccines protect communities. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience58.mp3 Fri, 27 Jul 2007 12:00:00 PDT 6:54 science, museum, question, ask, scientist, allergy, allergen, histamine, vaccine, immune, virus, disease, vector, contagious no This week's questions: What causes hearing loss, and are there any treatments. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience57.mp3 Fri, 20 Jul 2007 12:00:00 PDT 8:18 science, museum, question, ask, scientist, hearing, deaf, headphones, ipod, tone, loud, volume no This week's questions: How does sunscreen work, and why do we look different. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience56.mp3 Fri, 13 Jul 2007 12:00:00 PDT 7:33 science, museum, question, ask, scientist, sun, radiation, sunscreen, sunblock, ultraviolet, UV, gene, genetic, variation, evolution, difference, environment no This week's questions: Why doesn't the moon fall into the sun, and how fast does electricity move in a wire. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience55.mp3 Fri, 06 Jul 2007 12:00:00 PDT 7:37 science, museum, question, ask, scientist, moon, sun, earth, orbit, gravity, electron, electric, current, speed no This week's questions: How do atoms react with each other, and why is Plutonium's half-life so long. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience54.mp3 Fri, 29 Jun 2007 12:00:00 PDT 9:08 science, museum, question, ask, scientist, atom, nuclear, chemistry, chemical, electron, proton, neutron, half, life, reaction, isotope, decay, radioactive no This week's questions: Why can't we tickle ourselves, and does hot or cold water wash better. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience53.mp3 Fri, 22 Jun 2007 12:00:00 PDT 5:46 science, museum, question, ask, scientist, tickle, nerve, sense, temperature, clean, wash, soap, grease, protein no This week's questions: Why do soda and Mentos explode, and do fish and snakes burp. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience52.mp3 Fri, 15 Jun 2007 12:00:00 PDT 7:20 science, museum, question, ask, scientist, coke, mentos, explode, fountain, burp, gas, stomach, carbon dioxide no This week's questions: What happens to our food, and why do we have to eat a variety of foods. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience51.mp3 Fri, 08 Jun 2007 12:00:00 PDT 7:08 science, museum, question, ask, scientist, digest, feces, poop, system, nutrition, vitamins, energy, minerals, variety no This week's questions: Why do we group things, and where does baking soda come from. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience50.mp3 Fri, 01 Jun 2007 12:00:00 PDT 9:02 science, museum, question, ask, scientist, category, classify, classification, cladistics, Linnaeus, baking, soda, bicarbonate no This week's questions: How can I sanitize my toothbrush, and when were computers invented. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience49.mp3 Fri, 04 May 2007 12:00:00 PDT 5:44 science, museum, question, ask, scientist, sanitize, sterile, bleach, boil, computer, history, invent no This week's questions: Will static electricity kill bacteria, and can a condom prevent transmission of gonorrhea. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience48.mp3 Fri, 27 Apr 2007 12:00:00 PDT 5:48 - no This week's questions: Why don't we keep growing, and does music affect plant growth. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience47.mp3 Fri, 20 Apr 2007 12:00:00 PDT 6:53 - no This week's questions: What is renewable energy and what do you mean by "flat" universe. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience46.mp3 Fri, 13 Apr 2007 12:00:00 PDT 9:18 - no This week's questions: Is distillation or freezing better for removing salt from water, and can robots love. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience45.mp3 Fri, 06 Apr 2007 12:00:00 PDT 8:32 - no This week's questions: How do fish breathe, and where does our oxygen come from. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience44.mp3 Fri, 30 Mar 2007 12:00:00 PDT 8:23 - no This week's questions: Who discovered gravity, and how do we know other planets exist. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience43.mp3 Fri, 23 Mar 2007 12:00:00 PDT 7:03 - no This week's questions: How do we breathe both hot and cold, and why are we left and right brained. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience42.mp3 Fri, 16 Mar 2007 12:00:00 PDT 7:49 - This week's questions: How can I make a compass, and does the rotation of the Earth affect bathtubs. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience41.mp3 Fri, 09 Mar 2007 12:00:00 PDT 7:09 - This week's questions: is gravity a theory, and does space have a top and bottom. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience40.mp3 Fri, 02 Mar 2007 12:00:00 PDT 7:14 - This week's questions: why are igloos warm, and how can fish survive freezing. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience39.mp3 Fri, 23 Feb 2007 12:00:00 PDT 8:59 - This week's questions: why is wee yellow, and how do diapers soak up so much liquid. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience38.mp3 Fri, 16 Feb 2007 12:00:00 PDT 6:27 - This week's questions: How do plungers work, and why does snow globe glitter fall slowly in oil. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience37.mp3 Fri, 09 Feb 2007 12:00:00 PDT 5:18 - This week's questions: where do gnats come from, and what is half life. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience36.mp3 Fri, 02 Feb 2007 12:00:00 PDT 7:54 - This week's questions: what are stem cells, and do we see the same colors. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience35.mp3 Fri, 26 Jan 2007 12:00:00 PDT 7:15 - This week's questions: where does rain come from, and what do you call water's dome shape. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience34.mp3 Fri, 12 Jan 2007 12:00:00 PDT 7:59 - This week's questions: why doesn't gravity pull fire down, and why is Einstein more correct than Newton. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience33.mp3 Fri, 05 Jan 2007 12:00:00 PDT 6:20 - This week's questions: why do we lose our breath from freezing air and why does the wind blow faster when you close the door. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience32.mp3 Fri, 29 Dec 2006 12:00:00 PDT 6:51 - This week's questions: how does bread make cookies soft, and what do fireflies eat. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience31.mp3 Fri, 22 Dec 2006 12:00:00 PDT 6:25 - This week's questions: what's the difference between brown and white eggs, and is your armspan the same as your height. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience30.mp3 Fri, 15 Dec 2006 12:00:00 PDT 6:25 - This week's questions: How long ago was the big bang, and will the sun explode. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience29.mp3 Fri, 08 Dec 2006 12:00:00 PDT 6:12 - This week's questions: viruses and antibodies, and why food tastes bad when you're sick. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience28.mp3 Fri, 01 Dec 2006 12:00:00 PDT 6:24 - This week's questions: do stars die, and how to safely view the sun. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience27.mp3 Fri, 17 Nov 2006 12:00:00 PDT 6:42 - This week's questions: can salt light a light bulb, affect freezing water, and boiling water. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience26.mp3 Fri, 10 Nov 2006 12:00:00 PDT 6:27 - This week's questions: how light sabers work and what substances block radio waves. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience25.mp3 Fri, 03 Nov 2006 12:00:00 PDT 5:36 - This week's questions: why are trees made of wood, and what is life science. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience24.mp3 Fri, 27 Oct 2006 12:00:00 PDT 7:00 - This week we answer one question: how are holograms made. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience23.mp3 Fri, 20 Oct 2006 12:00:00 PDT 8:54 - This week's questions: why does soap make bubbles, and what is gray water. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience22.mp3 Fri, 13 Oct 2006 12:00:00 PDT 8:04 - This week's questions: would jumping save me in a falling elevator, and why does the Willamette River look like it's flowing upstream. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience21.mp3 Fri, 06 Oct 2006 12:00:00 PDT 6:24 - This week's questions: why do we have to wait when taking a temperature, and does ice melt faster in water or air. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience20.mp3 Fri, 29 Sep 2006 12:00:00 PDT 5:24 - This week's questions: What is a decibel and what's the difference between prescription and over the counter medicine. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience19.mp3 Fri, 22 Sep 2006 12:00:00 PDT 7:25 - This week's questions: why is water wet and does science change. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience18.mp3 Fri, 15 Sep 2006 12:00:00 PDT 7:41 - This week's questions: Who discovered cyanide, and what causes Alzheimer's. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience17.mp3 Fri, 08 Sep 2006 12:00:00 PDT 6:31 - This week's questions: How do we know the north pole is on water and the south pole is on land, and why is snow white. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience16.mp3 Fri, 01 Sep 2006 12:00:00 PDT 6:00 - This week's questions: What is light made of, and what does Newton's apple have to do with gravity. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience15.mp3 Fri, 25 Aug 2006 12:00:00 PDT 5:23 - This week's questions: Why do fingers get wrinkly when wet, and how do insects breathe. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience14.mp3 Fri, 18 Aug 2006 12:00:00 PDT 7:16 - This week's questions: Why do bananas go bad so quickly, and do spiders have ears. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience13.mp3 Fri, 11 Aug 2006 12:00:00 PDT 5:17 - This week's questions: Why are balloons good for making static electricity, and how high will a balloon go. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience12.mp3 Fri, 04 Aug 2006 12:00:00 PDT 7:23 - This week's questions: Why does grandpa have hair on his ears but not on his head, and why do hiccups happen and how can we stop them. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience11.mp3 Fri, 28 Jul 2006 12:00:00 PDT 8:49 - This week's questions: How does a bike pump work, and why do propane tanks get cold when you use them. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience10.mp3 Fri, 21 Jul 2006 12:00:00 PDT 5:42 - This week's questions: Why do onions make us cry, and why does a cloud appear over a pot of boiling water when I turn the gas off. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience9.mp3 Fri, 14 Jul 2006 12:00:00 PDT 5:55 - This week's questions: What is fire made of, and could there be a 10.5 earthquake. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience8.mp3 Fri, 07 Jul 2006 12:00:00 PDT 6:25 - This week's questions: Why do worms come out when it rains, why are sunsets orange, and why does the moon look bigger on the horizon. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience7.mp3 Fri, 30 Jun 2006 12:00:00 PDT 5:43 - This week's questions: Why don't we get dizzy as the earth spins, and why do men have nipples. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience6.mp3 Fri, 23 Jun 2006 12:00:00 PDT 6:04 - This week's questions: Why do camera flashes whine when charging, and how do cell phones tell time. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience5.mp3 Fri, 16 Jun 2006 12:00:00 PDT 5:00 - This week's questions: Why are babies heads so huge, and why is salt a good preservative. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience4.mp3 Fri, 9 Jun 2006 12:00:00 PDT 5:00 - This week's questions: Why can't we send nuclear waste into space and why do windshields fog up. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience3.mp3 Fri, 2 Jun 2006 12:00:00 PDT 7:13 - This week's questions: How do lie detectors work and what are the hottest and coldest things in the universe. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience2.mp3 Fri, 26 May 2006 12:00:00 PDT 4:50 - Our debut episode answers the questions: why is the sky blue, why do streams freeze on top before they freeze underneath, and is it still water if you boil all the oxygen out of it. Ask a Scientist, Answering questions about science from around the world. Oregon Museum of Science and Industry http://transfer.omsi.edu/podcast/episodes/SoundScience1.mp3 Fri, 19 May 2006 12:00:00 PDT 5:31 -