The Conversation

Why is life left-handed? The answer is in the stars

Author: The Conversation

A needle in a haystack? Search for the first ever biological molecule.Hubble Heritage/Flickr, CC BY-SA

While most humans are right-handed, our proteins are made up of lefty molecules. In the same way your left and right hands mirror one another, molecules can assemble in two reflected structures. Life prefers the left-handed version, which is...

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