Thursday, August 2, 2012

Search For Extra-terrestrial Life Just Got Harder

By Shweta Ramdas on August 1st, 2012

It’s not just our bodies that have left-handedness and right-handedness. It has long been known that molecules within living organisms also possess the property of asymmetry, also called chirality. This simply means that a molecule does not match its mirror image. Thus, while the proteins in our body are composed of amino acids that are left-handed, the sugars are right-handed.

The Importance of Handedness in Life

This preponderance in one type of handedness has long been considered as essential property and prerequisite of

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