Modern Engineering Marvels on MSN
New chemistry hints the first genetic code wasn’t built from the same 20 amino acids
The traditional explanation of the initial genetic code in life seems less established when ancient proteins seem to be ...
Although the myriad proteins found in all life are largely built from a set of 20 amino acids, many other amino acids exist in nature, and it remains a curiosity as to why some were ultimately ...
The universe might have far more amino acids lying around than we realized, which gives life itself far more chances to begin.
Space.com on MSN
Asteroid samples NASA brought to Earth suggest life's building blocks may be widespread in the universe
The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.
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