
Life’s Mysterious Origins With Jack Szostak
Big Brains
00:00
Impact Environments - What Are They Like?
About 4.3 billion years ago, Earth may have had a habitat suitable for life. But we don't have solid evidence for life until the earliest fossils dated to about 3.7 billion years ago. To explore what those environments may have been like, Shostak actually looks to Earth as it is right now.
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