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 ...

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 ...

Scientists have developed molecular devices that can switch roles, behaving as memory, logic, or learning elements within the ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

For more than a century, fossils meant bones, shells and the occasional imprint of a leaf. Now, a wave of research is showing that the most revealing relics of ancient organisms are not their shapes ...