机构:
Univ Washington, Sch Oceanog, Seattle, WA 98195 USA
Univ Washington, Astrobiol Program, Seattle, WA 98195 USAUniv Washington, Sch Oceanog, Seattle, WA 98195 USA
Baross, John A.
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机构:
[1] Univ Washington, Sch Oceanog, Seattle, WA 98195 USA
[2] Univ Washington, Astrobiol Program, Seattle, WA 98195 USA
A natural chemical reaction that occurs below the sea floor makes the amino acid tryptophan without biological input. This finding reveals a process that might have helped life on Earth to begin.