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Scientists found tryptophan, the ‘sleepy’ amino acid, in an asteroid. Here’s what it means
Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...
When scientists cracked open the first grains from asteroid Bennu, they expected a time capsule of rock and dust. What they found instead was a cocktail of sugars, phosphates, evaporite salts, and a ...
Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth. The OSIRIS-REx ...
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