Humans
- Archaeology
Barley elevated Central Asian farmers to ‘the roof of the world’
Hardy western crops allowed villagers to settle in the cold, thin air atop the Tibetan Plateau.
- Health & Medicine
The kids will be all right
Children are generally as resilient as adults when it comes to acute trauma, and studies suggest that a little stress and exercise might help kids cope with disasters.
- Life
Norovirus can play protective role in mice
In mice, viral infection can help intestines develop, strengthen immune system.
- Health & Medicine
Aspirin’s heart benefits not a slam dunk
No survival gain found in people age 60 and over who took daily dose of aspirin.
- Psychology
Right questions could help spot devious air passengers
Training airport security agents to ask detail-oriented questions of travelers may help unmask liars.
- Archaeology
Feedback
Readers ask questions about a study on sweeteners, how scientists recognize primitive tools and the purpose of a dinosaur's sail.
- Psychology
Rigors of Mars trip make teamwork a priority
It’s going to take a different kind of mental approach to travel to Mars and back: less individuality, more collaboration and adaptability. Astronauts are being tested to prepare for such a mission.
- Life
Semen seems to counteract microbicides that kill HIV
Semen seems to inhibit most microbicides from killing HIV, but one that targets a receptor on cells remains effective, suggesting a promising approach against HIV.
- Neuroscience
Stopped brain clock saves memory in hamsters
Broken timekeeper in brain may explain some memory problems, hamster study suggests.
- Animals
Few humans were needed to wipe out New Zealand’s moa
A new study finds that the Maori population was still small when it managed to drive several species of large, flightless birds extinct.
- Genetics
Rare mutations may protect against heart disease
Rare mutations in a key gene seem to lower bad cholesterol and provide protection against heart disease.
- Health & Medicine
Foul smells during sleep may help smokers quit
A night of smelling rotten eggs and fish while inhaling cigarette odors makes smokers reach for fewer cigarettes upon waking.
