Home crystals
Amino acids exist in two mirror-image forms, but only one form serves as the foundation for the building blocks of life. A new study seeks to uncover how this preference emerged.
Evidence of water-containing crystals on the Moon, a deep diamond layer in Mercury, and looming shutdown threat to the Chandra X-ray Observatory.
The difference between right and left didn’t start with politics: it is present in nature and affects a long list of phenomena
7 minutes 
