3,878 results
- Genetics
North America’s earliest dogs came from Siberia
North America’s first dogs have few descendants alive today, a study of ancient DNA suggests.
- Psychology
When anxiety happens as early as preschool, treatments can help
Researchers are seeking ways to break the link between preschool worries and adult anxiety.
- Health & Medicine
How the new coronavirus stacks up against SARS and MERS
Coronaviruses are a diverse family that may be becoming more threatening to people.
- Paleontology
Peruvian fossils yield a four-legged otterlike whale with hooves
A newly discovered species of ancient whale unearthed in Peru split time between land and sea.
- Health & Medicine
Saving monkey testicle tissue before puberty hints at a new way to preserve fertility
Frozen testicle tissue samples from prepubescent monkeys transplanted back onto those monkeys once they matured produced sperm.
- Animals
Vaccines may help bats fight white nose syndrome
Researchers are developing an oral vaccine that helps little brown bats survive the fungal disease white nose syndrome.
- Animals
Bad moods could be contagious among ravens
Ravens may pick up and share their compatriots’ negativity, a study on the social intelligence of these animals suggests.
-
Readers respond to Lyme disease, fossil teeth and a Tesseract look-alike
Readers had questions and comments on Lyme disease prevention, speciation, and a mysterious uranium cube.
- Paleontology
A flexible bone that helps mammals chew dates back to the Jurassic Period
A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.
- Archaeology
Dogs lived and died with humans 10,000 years ago in the Americas
Dogs unearthed at sites in Illinois were older than originally thought.
- Health & Medicine
Stem cell clinics’ much-hyped treatments lack scientific support
Stem cell treatments for knee pain are strong on marketing, weak on science.
- Science & Society
Can neighborhood outreach reduce inner-city gun violence in the U.S.?
While mass shootings grab U.S. headlines, the steady scourge of inner-city gun violence gets less attention — and fewer solutions.
