Vox offers three “unexplainable” mysteries of life on Earth

In three podcasts at Vox:

How did life start on Earth? What was the series of events that led to birds, bugs, amoebas, you, and me?

That’s the subject of Origins, a three-episode series from Unexplainable — Vox’s podcast that explores big mysteries, unanswered questions, and all the things we learn by diving into the unknown. – Brian Resnick (March 1, 2023)

The three mysteries they offer are:

Where did Earth’s water come from?How did life start in that water?What is life anyway?

About that last: Science writer Carl Zimmer offers “The problem is, for each definition of life, scientists can think of a confounding exception. Take, for instance, NASA’s definition of life: “Life is a self-sustaining chemical system capable of Darwinian evolution.” But that definition would exclude viruses, which are not “self-sustaining” and can only survive and replicate by infiltrating a host.”

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