Science Friday Audio Podcast: Episodes

Can beaches be rebuilt to face fiercer storms and rising seas? Is there even enough sand to do it?
Scientists have long debated how -- and when -- dogs first became domesticated.
Severe smog is raising concerns about the cost of China’s rapid industrialization.
The "Galileo of graphics" discusses his latest project: helping people to see information through "fresh" eyes.
Laurie Metcalf is a scientist suffering from the dementia she studies in the play 'The Other Place.'
Aside from getting the flu shot, how do you outsmart the wily flu virus? Hoard hand sanitizer? Dodge door knobs? Or quietly slink away from a coughing commuter?
Astronomers have discovered a clump of 73 quasars spanning four billion light years at its widest point -- that's like 40,000 Milky Way galaxies lined end-to-end.
The gravity-powered device uses a weight to generate up to 30 minutes of light as it descends.
What's it like to live -- and cook -- on Mars? To find out, researchers are simulating Mars missions in Russia and on the slopes of a Hawaiian volcano.
In <em>Fat Chance</em>, obesity doc Robert Lustig deconstructs the mythology on fat and exercise.
Only a handful of researchers (ever) have looked into why fingers get pruney after a water bath.
More than 2.5 million tons of electronic waste is produced each year in the U.S.
Understanding the genetic drivers of cancer may revolutionize treatment options in the future.
Routine pap tests may be capable of spotting signs of ovarian and uterine cancers.
Scientists have cooled potassium gas to one billionth of a degree below absolute zero. But in the quantum world, that's actually 'hotter' than the Sun. How is that possible?
The comet ISON, discovered by two amateur astronomers last year, will zoom past the Earth next fall. But where did it come from?
In his new book, Lester Brown says the world's food supply is tightening -- and the reasons are many.
Cold-water fish and snow-dwelling insects have evolved antifreeze proteins to avoid icing up. This natural antifreeze also keeps the <em>ice</em> out of some ice creams.
Catfish eating pigeons, water travelling uphill, a blue whale barrel roll -- and other science cinema highlights from the year.
What are your picks for the top science stories of 2012?
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