Lasers are used to carry out functions ranging from reading a bar code label at the grocery store to shooting down enemy missiles in space. Now, chemists at Purdue University are using lasers to coax ...

Common in nature and found in DNA and amino acids, chiral molecules are asymmetric with a structure that’s different from its mirror image. Chiral amino acids are “left-handed” and cannot be swapped ...

For more than a century, fossils meant bones, shells and the occasional imprint of a leaf. Now, a wave of research is showing ...