A Brief History of Life: Survival Is Hard
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very...
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Where did life come from, and how did it come to...this? The path from bacteria to baseball wasn’t simple. In this miniseries, we’re going to explore the evolution of life on Earth. It’s been a wild journey, with plenty of twists and turns, and there were lots of times we almost didn’t make it through. This first episode is about two of the earliest geological eons: the Archean and the Proterozoic. Eons are the second-largest way to divide up Earth’s history, after supereons, and there was one geological eon before the Archean: the Hadean, which was 4.5 to 4 billion years ago. But because Earth’s rocks are constantly being destroyed and reshaped, literally all the rocks that old are gone. It’s hard to have geology without rocks, so we’re ...
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Where did life come from, and how did it come to...this? The path from bacteria to baseball wasn’t simple. In this miniseries, we’re going to explore the evolution of life on Earth. It’s been a wild journey, with plenty of twists and turns, and there were lots of times we almost didn’t make it through. This first episode is about two of the earliest geological eons: the Archean and the Proterozoic. Eons are the second-largest way to divide up Earth’s history, after supereons, and there was one geological eon before the Archean: the Hadean, which was 4.5 to 4 billion years ago. But because Earth’s rocks are constantly being destroyed and reshaped, literally all the rocks that old are gone. It’s hard to have geology without rocks, so we’re ...
