5,016 results
- Animals
Male birds’ sexy songs may not advertise their brains after all
A biologist backs off an idea he studied for years that the mastery of birdsong is a sign of bird smarts.
- Health & Medicine
Mom’s immune system and microbiome may help predict premature birth
Analyzing patients’ immune systems, microbiomes and more, researchers find signals to pinpoint and halt premature labor.
- Health & Medicine
For people with HIV, undetectable virus means untransmittable disease
HIV outreach and care in Washington, D.C., reveals the struggles and successes of getting drugs into the hands of those who need them.
- Climate
Dueling dates for a huge eruption reignite the debate over dinosaurs’ death
New dating techniques for the Deccan Traps volcanic eruptions disagree on whether they were the main culprit in the dinosaurs’ demise.
- Health & Medicine
Americans are sleeping less than they were 13 years ago
A survey suggests that nearly one-third of American adults are sleeping fewer than 6 hours a night, and minority groups are most affected.
- Genetics
Resurrecting woolly mammoth cells is hard to do
Japanese scientists say some proteins in frozen mammoth cells may still work after 28,000 years. But that activity may be more mouse than mammoth.
- Anthropology
Why modern javelin throwers hurled Neandertal spears at hay bales
A sporting event with replica weapons suggests that Neandertals’ spears may have been made for throwing, not just stabbing.
- Animals
Pea aphid youngsters use piggyback rides to escape a crisis
When some mammal is about to munch their plant, aphids drop to the ground and youngsters want a ride to safety.
- Neuroscience
Scientists are seeking new strategies to fight multiple sclerosis
Facing so many unknowns about multiple sclerosis, researchers explore the immune system, the neurons and the gut to fight the disease.
- Anthropology
Dogs may have helped ancient Middle Easterners hunt small game
Jordanian finds point to pooch-aided hunting of small prey around 11,500 years ago, offering new clues into dog domestication in the Middle East.
- Genetics
Coffee or tea? Your preference may be written in your DNA
Coffee or tea is a bitter choice, a taste genetics study suggests.
- Health & Medicine
A mysterious polio-like disease has sickened as many as 127 people in the U.S.
Medical experts are trying to trace the cause of 62 confirmed cases of acute flaccid myelitis this year.
