Chemistry

A flashy project from Science Buddies

Even in salmon season the bears eat lots of plants—and later gorge mostly on salmon brains

A purely scientific project

A promising treatment that uses MDMA could help people suffering with post-traumatic stress disorder 

New movies of drug proteins or photosynthesis in action, shot in millionths of a billionth of a second, show how the molecules work—or fail

Researchers blocked from financial dealings in U.S., but sanctions may have little impact

A forensic science project

You can't carry everything you need from Earth, so researchers made 3-D–printed shapes with mocked-up Mars dust

Lisa Klein, from the materials science and engineering department at Rutgers University, commented on the March for Science at an April 21 talk to the chemistry department at Lehman College in the Bronx.

Chemists will navigate molecular wagons along a tiny golden track

Industry players swear pot’s many chemicals work in concert, but most scientists hear a THC solo

Starting in the next century, atmospheric carbon levels could begin to approach those of hundreds of millions of years ago, and have their warming effect augmented by a brighter sun.