Supernova’s Spin on Life

 

A mysterious bias in the way the building blocks of proteins twist could be due to supernovae, researchers now suggest.

If correct, this could be evidence that the molecules of life weren't created on Earth, but came from elsewhere in the cosmos.

Organic molecules are often chiral, meaning they come in two versions that are mirror images of each other, much as right and left hands appear identical but possess reversed features... 

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