Vitamin B3 might have been made in space, delivered to Earth by meteorites -- ScienceDaily - 0 views
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Tom Gheysens on 22 Apr 14Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis. The result supports a theory that the origin of life may have been assisted by a supply of key molecules created in space and brought to Earth by comet and meteor impacts.