Chemistry

Scientists have created a “map” of odor molecules, which could ultimately be used to predict new scent combinations 

Scientists are developing new techniques for detecting food and beverage fraud

There are two broad types of tear gas—and they’re both engineered to cause pain

Ice records pre-industrial levels of a chemical that scrubs the atmosphere of greenhouses gases

A Culinary Activity from Science Buddies

Pulitzer Priz​e–winning journalist Deborah Blum talks about her book The Poison Squad: One Chemist’s Single-Minded Crusade for Food Safety at the Turn of the 20th Century, Part 2.

Taking a swig of red wine before eating Brussels sprouts appears to moderate Brussels sprouts' polarizing flavor. Christopher Intagliata reports

Pulitzer Prize–winning journalist Deborah Blum talks about her book The Poison Squad: One Chemist’s Single-Minded Crusade for Food Safety at the Turn of the 20th Century, Part 1.

Freak heavy rainstorms in 2015 and 2017 wiped out many dry-adapted microbes in the Atacama Desert, useful info in the search for life off Earth. Christopher Intagliata reports.

An animating science project from Science Buddies

Airplanes and a planned burn of forest area will help identify the thousands of chemicals in smoke plumes

The synthetic material is faster to make than natural wood