Samples from asteroid Bennu contain A, G, C, T & U nucleotide bases, and 14 of 20 amino acids used by life — but while we use only left-handed versions of these molecules, Bennu has a roughly equal L/R mixture, puncturing theories that the bias on Earth came from an initial cosmic seeding.
https://www.nature.com/articles/d41586-025-00264-3
Greg Egan
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2025-01-30 11:25:50 UTC
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npub12cuzzqzv8e8y7na77a9zv47mx2v6pec60qs5h7takzmv5p0mw0fsmgd38pPublished at
2025-01-30 11:25:50 UTCEvent JSON
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