News

Life

How a stomach bug may ward off asthma

An ulcer- and cancer-causing bacterium may protect against the airway disease by influencing key players in inflammation.

Chemistry

Taste of fructose revs up metabolism

The pancreas pumps more insulin in response to the sugar, potentially throwing the body’s energy-storage machinery out of whack.

Animals

Chimps lend a hand

The finding suggests nonhuman primates recognize their peers’ intentions and desires.

Earth

Little Ice Age began with a bang

Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanic eruptions.

Space

Super-Earth spotted in life-friendly zone

The latest exoplanet entry creeps closer to long-sought goal of finding habitable worlds elsewhere.