May 19, 2022

Herald of Fashion

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These meteorites contain all the basic building blocks of DNA

These meteorites contain all the basic building blocks of DNA

three meteorites Scientists recently discovered the molecular building blocks of DNA and its cousin RNA. A subset of these building blocks have been discovered in meteorites before, but the rest of the group seemed mysteriously absent from space rocks — until now.

The new discovery supports the idea that a barrage of meteorites may have delivered the molecular ingredients needed to start early life on Earth, about four billion years ago.