Chemistry

Fabric dyed with indigo just found in Peru is some 1,600 years older than indigo-dyed fabrics that have been found in the Middle East.

After vowing to go natural, food brands face a shortage of the favored flavor  

Two studies highlight overlooked ways that we are being exposed to indoor and outdoor pollution

Sequences of nearly 200 beer-making strains reveal yeast in action

Non-egg-layers are killed after they are born. A new technique detects sex in 3-day-old embryos, which can be dispatched before they feel pain

The goal: Inexpensive hydrogen for fuel cells that power cars and homes

Although there is no conclusive evidence of danger to humans, antibacterials’ benefits have not been proved to exceed potential risks

Even cotton traps the skin's infrared radiation, making you sweat, but a new nanoporous fabric lets it out

A science activity for bakers, from Science Buddies

Could mirror molecules in space help explain why life prefers molecules with a single-handedness?

Bearded dragons modify their colors for camouflage or to maintain body temperature, or to communicate with other dragons. Jason G. Goldman reports.

A swell project