Life
- Animals
DNA tells tale of how cats conquered the world
Ancient DNA study suggests that domesticated cats spread across the ancient world in two waves.
- Brain
Adolescents are brain-dense — and that’s good
Gray matter is densely packed in adolescents, brain researchers now find. This may explain how developing adults cope with decreasing gray matter volume.
- Brain
Tongues ‘taste’ water by sensing sour
Water doesn’t taste like much, but our tongues need to detect it somehow. They may do it by sensing acid, a new study shows.
- Animals
Beware the tap of the narwhal’s tusk
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
- Brain
Scientists Say: Amygdala
Named after the Greek word for “almond,” the amygdala helps us process emotions, make decisions and form memories.
- Brain
Brains learning together act the same
When students are all focused on the same thing, their brainwaves look the same, a new study shows.
- Climate
Cool Jobs: Bringing caves’ dark secrets to light
These three cave researchers study caves to learn more about climate, geology and organisms that can survive some of Earth’s most hostile environments.
- Archaeology
DNA from African mummies tie these folk to Middle Easterners
Ancient DNA extracted from 90 Egyptian mummies reveals genetic links to Greece and the Middle East.
- Ecosystems
Camera catches new fish species — as it’s eaten!
A video of a lionfish eating a new-found species of fish raises concerns about the threat lionfish pose to undiscovered species in deep reefs.
- Health & Medicine
Your gut’s germs may decide whether white bread or whole wheat is best — for you
Surprise! Gut microbes may determine how your body responds to starches in the diet.
- Animals
Orangs nurse young for more than eight years!
Orangutan moms and babies have been tricky to study in the wild, so researchers used dental tests to reveal a record setting nursing period.
- Animals
Popular pesticide may harm bee flight
In a lab experiment, honeybees flew sluggishly after eating pesticide-tainted food.
