News
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EarthHowdy, neighbor!
About 800 million years ago, East Antarctica, now one of the coldest regions on Earth, abutted what is now Death Valley, Calif., one of the hottest.
By Sid Perkins -
ChemistryIt’s DNA Jim, but not as we know it
Chemists synthesized a DNA-like molecule using unnatural versions of the “letters” that make up the genetic code.
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PaleontologyA wandering eye
New look at fossils of primitive flatfish reveals how these fish evolved eyes on one side of their head
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Planetary ScienceLunar liquid
A new analysis of moon rocks has revealed that the moon isn’t as bone dry as researchers had thought, whetting the appetite of scientists who seek a deeper understanding of how Earth’s only natural satellite arose and evolved.