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It's Okay to Be Smart Episodes

Is There Life on Earth

If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.

Premiere Date: February 8, 2019 | Runtime: 00:09:44

Season 7

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About It's 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.