Life
How a radical redefinition of life could help us find aliens
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origins of life
Earth
Oxygen on early Earth may have come from quartz crushed by earthquakes
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Chemistry
Building blocks for life may be able to form in radioactive meteorites
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Life
Experiments hint at how molecules essential to all life first arose
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Life
Self-replicating protein factories are a step towards artificial life
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Physics
Is life the result of the laws of entropy?
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Life
Why is the universe just right for life? Blame the multiverse
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