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1 .This is Scientific American 60-Second Science. I'm Steve Mirsky. Got a minute?
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2 ."Your inner fish is an epic journey inside our own bodies."
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3 .That's University of Chicago paleontologist Neil Shubin, author of the 2008 book Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body.
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4 ."Within each of us, in every organ, every cell, every gene, we have over three billion years of the history of life."
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5 .And Your Inner Fish comes to television starting April 9 and continuing for the next two Wednesday nights on PBS.
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6 ."Let's take a fish we found from the Arctic.
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7 .This fish has fins.
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8 .But when you open up the fins you find bones that correspond to the upper arm, the forearm, even parts of the wrist.
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9 .And what's amazing about that is we can trace that fish to amphibians to reptiles to primates, all the way to us.
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10 ."The transition from life in water to life on land is not some strange event in the history of life, it's an event that's embedded in our bodies.
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11 .Every time we bend our wrists, every time we breathe with our lungs, we can thank those fish evolving in streams 375 million years ago."
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12 .Thanks for the minute, for Scientific American 60-Second Science. I'm Steve Mirsky.
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