News
- Life
Leprosy bacterium changed little in last millennium
Genome alterations probably not responsible for decline in disease prevalence.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Chemistry
An eel’s glow could illuminate liver disease
Fluorescent protein binds to bilirubin, a compound the body must eliminate.
- Archaeology
Ancient Siberians may have rarely hunted mammoths
Occasional kills by Stone Age humans could not have driven creatures to extinction, researchers say.
- Life
In the real world, cheetahs rarely go all out
Famous for speed, the big cats actually rely on acceleration and maneuverability to capture prey.
- Life
Nail-generating tissue also regrows fingertips
Stem cells spur return of amputated digits in mice
- Health & Medicine
Headers linked to memory deficit in soccer players
Abnormalities in three brain regions found among those who head the ball most frequently.
- Science & Society
Chimps in captivity may soon join endangered species list
Proposal would extend protections to both wild and captive primate populations.
- Tech
Faster memory could accelerate computing
Experimental microchip improves reliability and speed of writing and reading data.
- Animals
Now-extinct wolf may be ancestor of modern-day dogs
No strong signs of canine ancestry among living grey wolves.
- Tech
Camera captures voices without a microphone
Throat movements get decoded to reveal sounds of speech.
- Neuroscience
Research prods brain wiring underlying compulsive behavior
Complementary studies, focusing on repetitive grooming in mice, offer potential for new treatment strategies in humans.
