Its Okay to Be Smart
This is a show about science. But it's probably not about science the way you're used to it. Hosted by Joe Hanson, author of the science blog, It's Okay to be Smart. Part of the PBS Digital Studios network.
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Spider silk is as strong, stretchy, and resilient as even humans’ most advanced creations.
Where do glaciers and icebergs get their beautiful blue color?
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