Science News | Daily news articles, blogs and biweekly magazine covering all areas of science

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.

air pollution

BAD AIR  U.S. pollution levels have come way down since the 1970s, but there’s still enough smog to raise the risk for cardiovascular deaths. Researchers are also drawing new connections between dirty air and metabolic and brain disorders.

underwater shipwreck

BAT SIGNALS  The U.S. Navy uses sonar to image underwater objects and obstacles, such as this shipwreck in Narragansett Bay in Rhode Island. Taking inspiration from bats, naval researchers hope to get sharper images with smaller, cheaper sonar equipment.

empty space

HEAT WAVE  Accelerating at a high rate could make empty space seem hot, according to an idea called the Unruh effect. Scientists may have spotted signs of an analogous phenomenon in ripples of water.

brown bat

BAT BRAINS  A big brown bat (Eptesicus fuscus) participates in experiments at Johns Hopkins University’s high-tech bat laboratory.



Science News