Most of us have never been submerged under more than a few feet underwater. But just a few meters down, the water compresses the tissues of your body so that you become more dense. At that point, "You're more likely to sink than float," says Dr. Kevin Fong. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Fresh Air Weekend

Fresh Air Weekend: 'Extreme Medicine,' Lake Street Dive, 'When We Get Home'

Dr. Kevin Fong practices "extreme medicine" from deep sea to outer space. Lake Street Dive comes out with a new album called Bad Self Portraits. And a military couple describes their long recovery in Plenty of Time When We Get Home.

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Most of us have never been submerged under more than a few feet underwater. But just a few meters down, the water compresses the tissues of your body so that you become more dense. At that point, "You're more likely to sink than float," says Dr. Kevin Fong. iStockphoto.com hide caption

itoggle caption iStockphoto.com
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Friday

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Part-time or half-day preschools pose a challenge for many working parents. Marko Poplasen/iStockphoto hide caption

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Thursday

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Are people starting sentences with "so" more frequently than ever or are we just noticing it more? Leigh Wells/Ikon Images/Getty Images hide caption

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Wednesday

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The Centers for Disease Control and Prevention estimates that 1 in 68 children has an autism spectrum disorder. Kelvin Murray/Getty Images hide caption

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Purity by Jonathan Franzen Emily Bogle/NPR hide caption

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