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Whale Grandmas' Longevity Linked to Knowledge Mar 05, 2015

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Whale females, like humans, live well past menopause, a trait possibly selected for because their knowledge base can help their entire clan survive. Dina Fine Maron reports

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Salty Skin Boosts Mouse Wound Healing Mar 04, 2015

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Mice fed a diet high in sodium had increased immune cell activity in their skin that helped ward off infection. Karen Hopkin reports

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Titan Could Host Life "Not As We Know It" Mar 03, 2015

Show notes

Saturn's moon Titan is too cold for cell membranes to form as they do on Earth. But researchers have come up with a cell membrane that could exist on Titan. Christopher Intagliata reports

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Climate Skeptic Senator Burned after Snowball Stunt Mar 02, 2015

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Oklahoma Sen. James Inhofe carried a snowball onto the Senate floor to insinuate that climate change was not real, after which Rhode Island Sen. Sheldon Whitehouse torched Inhofe's argument. Steve Mirsky reports

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Air Force Space Command General on Keeping Space Collision-Free Feb 27, 2015

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Gen. John Hyten, Commander, U.S. Air Force Space Command, talks about the task of tracking all the materials in orbit and keeping them from crashing into one another. Steve Mirsky and Larry Greenemeier report

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Britain Imported Wheat 2,000 Years before Growing It Feb 26, 2015

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Sediments at a Britsh archaeological site include wheat remains dating back 8,000 years, meaning that Britons were bringing in European wheat two millennia before they grew it. Cynthia Graber reports

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Fishes' Lateral Lines Sense Pressure and Predators Feb 25, 2015

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Flow sensors on the bodies of many fishes act like a hydrodynamic antenna, picking up signals about the flow of water around them. Gretchen Cuda Kroen reports

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Science Wins at the Oscars Feb 23, 2015

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Science was in the spotlight at the 87th annual Academy Awards ceremony Sunday night, from actors playing scientists to winners thanking them. Steve Mirsky reports

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Beaver Teeth Have Iron Advantage Feb 23, 2015

Show notes

Beaver enamel is rich in iron—which is even more effective than fluoride at staving off cavities. Christopher Intagliata reports

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Nectar Helps Bees’ Medicine Go Down Feb 20, 2015

Show notes

In addition to fuel, nectar from various plant species contains chemical compounds that reduce the numbers of a common gut parasite in bumblebees. Christopher Intagliata reports

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