Paul Sutter explores the origins of life, and DNA versus RNA - Ars Technica

This month's "Edge of Knowledge" peers back in time to the beginnings of life on Earth.

11 with 7 posters participating Produced and directed by Corey Eisenstein. Click here for transcript. After spending three episodes looking to the heavensfirst at dark matter, then Mars, then black… [+1412 chars]

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