06/14/2016: Astronomers find first evidence of chiral chemistry in distant cosmic cloud
To make life, our bodies require many chemicals to have a certain “handedness,” a left or right orientation called chirality that determines the behavior of those substances in our bodies. The requirement is the molecular equivalent of why sticking your left hand onto your right wrist won’t work — despite being mirror images, they are not interchangeable. Chiral molecules are an essential building block of life. They are ubiquitous on Earth and in some comets / asteroids, but scientists have never observed them in interstellar space.Until now.
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