Biology
4 questions
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How did language begin?
Every human society has language, and no other species has anything quite like it. How did it arise?
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How did life begin?
Somewhere between chemistry and biology, molecules began to copy themselves. We don’t know how.
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How do proteins fold so fast?
AI can now predict the shape a protein folds into. How the chain finds that shape in milliseconds is a separate question.
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Why do we sleep?
Nearly every animal studied sleeps, even though it leaves them defenceless. What is sleep for?