EarthSky 90 Second podcast

Heather Clark is developing a nano tattoo for diabetics

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 03:00:00 -0600

sagar: Author='Beth Lebwohl' program='' video=''Photo Credit: aldenchadwic. [...]

Peter Gleick warns that world faces a water crisis

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 03:00:00 -0600

Peter Gleick: In my opinion, the worst 'crisis' around freshwater is our failure to meet basic human needs for so many people. [...]

Joanna Fowler says drug addiction is a disease of the brain

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 02:00:25 -0600

Joanna Fowler: What our images show is that addiction is really a disease of the brain and not a moral weakness. [...]

Carl Imhoff on transforming U.S. electric grid into a smart grid

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 02:00:23 -0600

Carl Imhoff: The grid that you look at today hasn't changed much in the last 50 years. [...]

Catherine Badgely believes organic agriculture can scale up

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 02:00:21 -0600

Today, less than 5% of the world's agriculture is organic, or produced without the use of synthetic pesticides or fertilizers. Dr. Catherine Badgely of the University of Michigan is the author of a well-known 2007 study , which claimed that crop yields from organic agriculture can compete with p [...]

Paul Davies on how life on Earth began

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 02:00:20 -0600

Paul Davies: There's been a lot of research on the setting in which life on Earth may have begun. And there are various fashions. One of these is that it might have started hot and deep. Astrophysicist Paul Davies of Arizona State University studies the origins of life on our planet. [...]

Jeff Mount on what it really means to restore a river

deborahbyrd@earthsky.org (EarthSky) — Mon, 16 Nov 2009 02:00:20 -0600

Jeff Mount: Restoration is dead. What I mean by that is, humans are so integrated within rivers now that you really can't separate the human signal from the natural signal. We will never restore our rivers to what they were like. [...]

Dan Greenbaum on greenhouse gases and the threat to public health

deborahbyrd@earthsky.org (EarthSky) — Mon, 09 Nov 2009 03:00:00 -0600

In mid-April 2009, the U.S. Environmental Protection Agency (EPA) declared that carbon dioxide and five other greenhouse gases associated with climate change are pollutants. [...]

Dev Niyogi on urban sprawl and storm intensity

deborahbyrd@earthsky.org (EarthSky) — Mon, 09 Nov 2009 03:00:00 -0600

Tornadoes are usually drawn to wide-open spaces. That's according to climatologist Dev Niyogi of Purdue University. So Niyogi wondered... Dev Niyogi: Why did we get a tornado in an urban region like Atlanta. [...]

John Barry urges wide use of carbon capture and storage

deborahbyrd@earthsky.org (EarthSky) — Mon, 09 Nov 2009 02:00:52 -0600

John Barry: The world's going to be burning fossil fuels for a long time to come. And carbon capture and storage, or CCS, is the best, in some ways the only chance to de-carbonize those fuels. [...]

Jon Foley envisions a hybrid of industrial and organic farming

deborahbyrd@earthsky.org (EarthSky) — Mon, 09 Nov 2009 02:00:32 -0600

Jon Foley: I think we need a new kind of agriculture - kind of a third agriculture, between the big agribusiness, commercial approach to agriculture, and the lessons from organic and local systems. [...]

Beth Shapiro uses DNA to see how animals fared in ancient climate

deborahbyrd@earthsky.org (EarthSky) — Mon, 09 Nov 2009 02:00:20 -0600

Beth Shapiro: We really have very little information about how populations and species respond to climate change. [...]

Elke Anklam describes nanofoods' benefits and possible risks

deborahbyrd@earthsky.org (EarthSky) — Mon, 02 Nov 2009 03:00:00 -0600

Elke Anklam: What is nanofood? It's food which contains some tiny elements - "nanomaterials" - in the food, to make it more tasty or bring more nutrients to the body, or it is produced using nanotechnology. [...]

Peter Moeller has discovered a bacteria-fighting sea sponge

deborahbyrd@earthsky.org (EarthSky) — Mon, 02 Nov 2009 03:00:00 -0600

The oceans still contain mysteries with the potential to help humanity. For example, scientists have discovered a sea sponge they say could help fight antibiotic-resistant bacteria. [...]