Humans
- Health & Medicine
Teen friendships may make for healthier adults
Scientists find that strong teen friendships — and a tendency to follow the crowd — may lead to better health in their 20s.
- Fossils
Fossils: Is this new species a human relative?
Fossils found in an underground cave in South Africa may be from a previously unknown species of the human genus, Homo.
- Humans
Picture This: ‘Super-henge’ buried near Stonehenge
Scientists using ground-penetrating radar discovered a massive stone monument, now buried, at a prehistoric village near Stonehenge.
- Earth
Cool Jobs: Finding foods for the future
What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.
- Health & Medicine
Scientists Say: Virulence
The virulence of a germ is a measure of its potential to cause disease.
- Brain
Childhood stress can leave changes in the adult brain
A new study finds that young men who had experienced lots of stress early in life carried a lasting legacy — changes in the size and shape of their brains.
- Health & Medicine
New treatments may rally ex-president’s fight against cancer
Former President Jimmy Carter has a potentially lethal type of skin cancer that has already spread to his liver and brain. Recent improvements in medicine may help him fight it.
- Agriculture
Insecticide can change a spider’s personality
A chemical meant to kill moths affects the behavior of some spiders. It alters the spiders’ ability to capture prey — including those moths.
- Animals
Some pollutants made mice less friendly
Hormone-interfering chemicals make mice less social and may also alter their weight, a study finds. That affected the animals’ confidence — and behavior.
- Health & Medicine
Survey finds U.S. schools start ‘too early’
The school bell dings too early for U.S. tweens and teens, a survey finds. Most kids start class well before the recommended 8:30 a.m.
- Health & Medicine
More data link vaping to smoking
A new study finds vapers who don’t smoke are likely to start — even when they initially had no intention of ever taking up a cigarette.
- Animals
Chikungunya wings its way north — on mosquitoes
A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.
