First, let's cover the basics. A pure substance is made from only one compound or just one element with no other substances mixed in. Hold up those two glasses, Katie. Imagine the pompoms ...

First, let's cover the basics. A pure substance is made from only one compound or just one element with no other substances mixed in. Hold up those two glasses, Katie. Imagine the pompoms ...

There's rosemary, that's for remembrance,' says Ophelia in Shakespeare's Hamlet. So it is fitting that researchers would study a compound found in rosemary and sage -- carnosic acid -- for its impact ...

A new approach to Alzheimer's disease treatment could be on the horizon, inspired by a compound found in common herbs.

Earth’s core could contain helium from the early solar system. The noble gas tucks into gaps in iron crystals under high pressure and temperature.