Chemistry

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

Microbes produce organic acids that may help leach out valuable metals

In 12 hours Dracaena plants removed nearly all the acetone from an airtight chamber, suggesting they might be put to use as air filters in nail salons. Christopher Intagliata reports.

The synthetic membrane from ExxonMobile would also avert 45 million tons of carbon dioxide emissions