News
- Animals
A peek into polar bears’ lives reveals revved-up metabolisms
Polar bears have higher metabolisms than scientists thought. In a world with declining Arctic sea ice, that could spell trouble.
- Tech
New laser emits a more stable, energy-efficient light beam
A new type of laser could emit more stable, energy-efficient light beams than its conventional counterparts.
- Physics
Gravity doesn’t leak into large, hidden dimensions
Gravitational waves from a recently observed neutron star merger offer no evidence of large, unknown dimensions.
- Health & Medicine
Zika may not be the only virus of its kind that can damage a fetus
Zika may not be alone among flaviviruses in its ability to harm a developing fetus, a new study in mice finds.
