News
- Chemistry
Light-sensor pulls perplexing double duty
A long-studied eye pigment appears to also detect temperature, a study in fruit flies shows.
- Physics
Tractor beams arrive two centuries early
Trekkie devices that can pull instead of push have been developed by U.S. and Chinese physicists to move small objects.
- Health & Medicine
Digging into the roots of lupus
Two new studies implicate common white blood cells called neutrophils in this autoimmune disease.
- Humans
Missing bits of DNA may define humans
Genetic information lost along the way may have led to bigger brains and spineless penises, among other traits.
