jcolag’s Twitter Archive—№ 8,240

All 4 Building Blocks of DNA Have Been Found in Meteorites vice.com/en/article/88gpk3/all-four-building-blocks-of-dna-have-been-found-in-meteorites ...Oba and his colleagues also found traces of another pyrimidine called uracil, which is used by RNA, a simpler sister molecule of DNA, instead of thymine.