LiveScience: Life's Little Mysteries http://www.livescience.com Explore the daily mysteries of life, a new mystery is solved every day!Wed, 09 Feb 2011 14:59:58 MST en http://www.livescience.com/mysteries/http://images.livescience.com/template_images/navigation/livescience_logo_88x31.jpgLiveSciencelivescience/mysterieshttp://feedburner.google.com Why Do Some Clovers Have Four Leaves? http://www.livescience.com/mysteries/four-leaf-clovers-llm-100317.html Four-leaf clovers sometimes pop up among the three-leaf kind due to a genetic mutation. <p><a href="http://feedads.g.doubleclick.net/~a/pdpPwasUUsqNWVvAUt_j4UNQuAE/0/da"><img src="http://feedads.g.doubleclick.net/~a/pdpPwasUUsqNWVvAUt_j4UNQuAE/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/pdpPwasUUsqNWVvAUt_j4UNQuAE/1/da"><img src="http://feedads.g.doubleclick.net/~a/pdpPwasUUsqNWVvAUt_j4UNQuAE/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Drb6_Agwdzg:VCgw4TfajC0:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Drb6_Agwdzg:VCgw4TfajC0:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Drb6_Agwdzg:VCgw4TfajC0:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/four-leaf-clovers-llm-100317.html Wed, 17 Mar 2010 10:18:06 MDT What Does the Achilles Tendon Do? http://www.livescience.com/mysteries/achilles-tendon-beckham-llm-100315.html A tear to the Achilles' tendon can take months to heal, not something soccer star David Beckham or his fans want to hear. <p><a href="http://feedads.g.doubleclick.net/~a/fLfmuC3RYuyWcw2OoDki6_DA1aI/0/da"><img src="http://feedads.g.doubleclick.net/~a/fLfmuC3RYuyWcw2OoDki6_DA1aI/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/fLfmuC3RYuyWcw2OoDki6_DA1aI/1/da"><img src="http://feedads.g.doubleclick.net/~a/fLfmuC3RYuyWcw2OoDki6_DA1aI/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=XV3omMwZGa8:WEgf8XAJgz8:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=XV3omMwZGa8:WEgf8XAJgz8:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=XV3omMwZGa8:WEgf8XAJgz8:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/achilles-tendon-beckham-llm-100315.html Mon, 15 Mar 2010 10:24:26 MDT Why Does Daylight Saving Time Begin at 2 a.m.? http://www.livescience.com/mysteries/daylight-saving-time-spring-forward-100312.html We turn our clocks forward an hour on Sunday for daylight saving time. Find out why the hand changes at 2 a.m. local time. <p><a href="http://feedads.g.doubleclick.net/~a/iwtYaFwOl7Q1HObg7-kATrYwkeE/0/da"><img src="http://feedads.g.doubleclick.net/~a/iwtYaFwOl7Q1HObg7-kATrYwkeE/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/iwtYaFwOl7Q1HObg7-kATrYwkeE/1/da"><img src="http://feedads.g.doubleclick.net/~a/iwtYaFwOl7Q1HObg7-kATrYwkeE/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=ezbVML7-U_4:PMxi_lblrko:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=ezbVML7-U_4:PMxi_lblrko:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=ezbVML7-U_4:PMxi_lblrko:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/daylight-saving-time-spring-forward-100312.html Fri, 12 Mar 2010 08:36:10 MST What Do Kidneys Do? http://www.livescience.com/mysteries/how-kidneys-work-100309.html The bean-shaped organs on either side of the spine act like nature's recycling centers. <p><a href="http://feedads.g.doubleclick.net/~a/AZlTaEPwJEDtZGvKdu5MblXrRW8/0/da"><img src="http://feedads.g.doubleclick.net/~a/AZlTaEPwJEDtZGvKdu5MblXrRW8/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/AZlTaEPwJEDtZGvKdu5MblXrRW8/1/da"><img src="http://feedads.g.doubleclick.net/~a/AZlTaEPwJEDtZGvKdu5MblXrRW8/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=CCPblxBgY_o:gV0OmhB3jRk:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=CCPblxBgY_o:gV0OmhB3jRk:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=CCPblxBgY_o:gV0OmhB3jRk:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/how-kidneys-work-100309.html Tue, 09 Mar 2010 15:01:09 MST How Does the Iditarod Race Work? http://www.livescience.com/mysteries/iditarod-dog-sled-race-100308.html Find out what makes sled dogs ultra-athletes. <p><a href="http://feedads.g.doubleclick.net/~a/MktZG17tArAsmXu7Fgds1Soxtv0/0/da"><img src="http://feedads.g.doubleclick.net/~a/MktZG17tArAsmXu7Fgds1Soxtv0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/MktZG17tArAsmXu7Fgds1Soxtv0/1/da"><img src="http://feedads.g.doubleclick.net/~a/MktZG17tArAsmXu7Fgds1Soxtv0/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Q06wVEM7QZQ:5HI3wKkStuQ:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Q06wVEM7QZQ:5HI3wKkStuQ:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=Q06wVEM7QZQ:5HI3wKkStuQ:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/iditarod-dog-sled-race-100308.html Mon, 08 Mar 2010 12:31:36 MST What Is a Blizzard? http://www.livescience.com/mysteries/blizzard-definition-100206.html A blizzard as a storm with considerable falling or blowing snow and winds in excess of 35 mph and visibilities of less than 1/4 mile for at least 3 hours. <p><a href="http://feedads.g.doubleclick.net/~a/AatmcuuTPcsl5Ee9c5Xo3Q9Bkh4/0/da"><img src="http://feedads.g.doubleclick.net/~a/AatmcuuTPcsl5Ee9c5Xo3Q9Bkh4/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/AatmcuuTPcsl5Ee9c5Xo3Q9Bkh4/1/da"><img src="http://feedads.g.doubleclick.net/~a/AatmcuuTPcsl5Ee9c5Xo3Q9Bkh4/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=0_cK_kJeTVM:c-wISx5jIoI:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=0_cK_kJeTVM:c-wISx5jIoI:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=0_cK_kJeTVM:c-wISx5jIoI:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/blizzard-definition-100206.html Sat, 06 Feb 2010 11:19:17 MST How Much Sleep Do I Need? http://www.livescience.com/mysteries/sleep-hours-need-100130.html How many hours of sleep you need is not known for sure, but scientists have some sleep guidelines. <p><a href="http://feedads.g.doubleclick.net/~a/1XRjF9JBBnfHLJLvVTT5no8havc/0/da"><img src="http://feedads.g.doubleclick.net/~a/1XRjF9JBBnfHLJLvVTT5no8havc/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/1XRjF9JBBnfHLJLvVTT5no8havc/1/da"><img src="http://feedads.g.doubleclick.net/~a/1XRjF9JBBnfHLJLvVTT5no8havc/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=mhag-Evtj-Q:CFijQSPQjnU:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=mhag-Evtj-Q:CFijQSPQjnU:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=mhag-Evtj-Q:CFijQSPQjnU:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/sleep-hours-need-100130.html Sat, 30 Jan 2010 09:12:12 MST What's the Best Single Food to Eat? http://www.livescience.com/mysteries/090915-llm-best-food.html There's no good answer to this one, because we humans need a range of nutrients from a variety of foods to be healthy. <p><a href="http://feedads.g.doubleclick.net/~a/j0pwMlarhWBhFB6GrDVzZn5AuyQ/0/da"><img src="http://feedads.g.doubleclick.net/~a/j0pwMlarhWBhFB6GrDVzZn5AuyQ/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/j0pwMlarhWBhFB6GrDVzZn5AuyQ/1/da"><img src="http://feedads.g.doubleclick.net/~a/j0pwMlarhWBhFB6GrDVzZn5AuyQ/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=EauJ0bzhyN0:vz49VHU66M4:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=EauJ0bzhyN0:vz49VHU66M4:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=EauJ0bzhyN0:vz49VHU66M4:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/090915-llm-best-food.html Tue, 15 Sep 2009 20:36:36 MDT Wimbledon Wants to Know: Are Pigeons Pests? http://www.livescience.com/mysteries/080626-llm-pigeon-pests.html Most pest definitions would surely include feral pigeons. <p><a href="http://feedads.g.doubleclick.net/~a/Wkq8x-5R2UB7WU6jt-4d4H8RtaA/0/da"><img src="http://feedads.g.doubleclick.net/~a/Wkq8x-5R2UB7WU6jt-4d4H8RtaA/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/Wkq8x-5R2UB7WU6jt-4d4H8RtaA/1/da"><img src="http://feedads.g.doubleclick.net/~a/Wkq8x-5R2UB7WU6jt-4d4H8RtaA/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=r3hgjRiPjKo:cCJ6myHBcsI:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=r3hgjRiPjKo:cCJ6myHBcsI:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=r3hgjRiPjKo:cCJ6myHBcsI:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/080626-llm-pigeon-pests.html Tue, 15 Sep 2009 14:15:57 MDT What Happens When an Astronaut Sneezes? http://www.livescience.com/mysteries/090902-space-sneeze.html Best to do the sneezing inside the a shuttle or the space station, not on a spacewalk, when it can get real messy. <p><a href="http://feedads.g.doubleclick.net/~a/lfbJQ0ygUZEBVdEg04BnNxUyD60/0/da"><img src="http://feedads.g.doubleclick.net/~a/lfbJQ0ygUZEBVdEg04BnNxUyD60/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/lfbJQ0ygUZEBVdEg04BnNxUyD60/1/da"><img src="http://feedads.g.doubleclick.net/~a/lfbJQ0ygUZEBVdEg04BnNxUyD60/1/di" border="0" ismap="true"></img></a></p><div class="feedflare"> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=-w7UrNMolnU:JqBncVhnWd8:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=yIl2AUoC8zA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=-w7UrNMolnU:JqBncVhnWd8:7Q72WNTAKBA"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=7Q72WNTAKBA" border="0"></img></a> <a href="http://feeds.feedburner.com/~ff/livescience/mysteries?a=-w7UrNMolnU:JqBncVhnWd8:2mJPEYqXBVI"><img src="http://feeds.feedburner.com/~ff/livescience/mysteries?d=2mJPEYqXBVI" border="0"></img></a> </div> http://www.livescience.com/mysteries/090902-space-sneeze.html Tue, 15 Sep 2009 13:45:05 MDT