News

Science & Society

Youthful ingenuity honored at Intel ISEF

Young scientists receive awards for insights applicable to cancer treatment, homeland security, water supplies and more.

Physics

New laser is from the birds

Inspired by an optical trick that colors feathers without pigment, physicists come up with a cheap, practical design.

Earth

Ozone hole on the mend

Researchers claim to see atmospheric healing more than a decade earlier than a detectable uptick was expected.

Life

Body attacks lab-made stem cells

In mice, the immune system targets and destroys reprogrammed adult skin cells, raising questions about their medical potential.