American Chemical Society News

How much marijuana is really in that pot brownie? Chocolate can throw off potency tests so labels aren’t always accurate, and now scientists are trying to figure out why. In states where marijuana is legal, pot comes in cookies, mints, …

Doctors, pilots, air traffic controllers and bus drivers have at least one thing in common — if they’re exhausted at work, they could be putting lives at risk. But the development of a new urine test, reported in the ACS …