News
- Physics
Tense encounters drive a nanomotor
Exploiting the relative strength of surface tension forces in the world of tiny objects, a novel type of nanomotor creates a powerful thrust each time molten metal droplets merge.
- Health & Medicine
Detecting cancer in a flash
Instant identification of cancer cells may become possible following experiments demonstrating that healthy and cancerous cells alter laser light in different, and distinguishable, ways.
- Animals
DNA tells pigs’ tale of diverse ancestry
A genetic study indicates that pigs were domesticated in at least seven different parts of Asia and Europe, not in just two regions, as many researchers had assumed.
