News
- Animals
Fight or flee, it’s in the pee
Researchers get a better understanding of how mice smell a rat, or a cat, and maybe even a snake.
- Humans
2010 Intel ISEF showcases next-gen scientists
Top high school scientists from around the world compete for more than $4 million in prizes at weeklong competition.
- Earth
Lizards threatened by warming
Analysis suggests climate change could wipe out 20 percent of species, 39 percent of local populations.
- Earth
Earliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
- Humans
Grown men swap bodies with virtual girl
People who undergo virtual-reality perspective shifts feel like they’ve switched bodies with a virtual character.
- Life
Eureka, brain makes real mental leaps
Studies of rats reveal neuron activity changes en masse during aha moments.
- Life
All present-day life arose from a single ancestor
A major tenet of evolutionary theory — that all life stems from a common source — passes a statistical test.
- Chemistry
Another plastics ingredient raises safety concerns
Bisphenol A’s ‘twin’ may be more potent at perturbing estrogen signals.
- Animals
Mirror, mirror on the wall, you’re the scariest fish of all
That thing in the mirror may be more upsetting than a real fish.
- Health & Medicine
Global child deaths on decline
Infectious diseases kept numbers for 2008 staggeringly high, with 8.8 million children dying before age 5, a new survey shows.
- Health & Medicine
Sickle-cell anemia tied to cognitive impairment
Patients with the hereditary condition score worse on standardized tests than people without it.
- Psychology
Bereaved relatives helped by chance to view body after sudden loss
Grieving people rarely regret having seen a dead loved one, even in cases of violent death, a British study suggests.
