Humans
- Anthropology
Sleep time in hunter-gatherer groups on low end of scale
Hunter-gatherer communities in Africa and South America have similar sleeping patterns as people living in postindustrial societies, researchers find.
- Health & Medicine
First known case of sexually transmitted Ebola reported
A Liberian woman contracted Ebola in March by having sex with a survivor of the viral disease, researchers report.
- Neuroscience
Adolescent brains open to change
Adolescent brains are still changing, a malleability that renders them particularly sensitive to the outside world.
- Humans
U.S. is growing more genetically diverse
Young Americans are more genetically diverse than previous generations, a new DNA analysis reveals.
- Genetics
Microbes may reveal colon cancer mutations
Certain microbial mixes are associated with particular DNA mutations in colon cancer, a new study suggests.
- Anthropology
Long before going to Europe, humans ventured east to Asia
Cave finds indicate modern humans reached southern China long before entering Europe.
- Health & Medicine
Cancer drug’s effectiveness overinflated in animal studies
Claims about the cancer drug sunitinib are overblown because of poorly designed studies and negative results that were never published, a new analysis suggests.
- Health & Medicine
Cancer drug’s effectiveness overinflated in animal studies
Claims about the cancer drug sunitinib are overblown because of poorly designed studies and negative results that were never published, a new analysis suggests.
- Health & Medicine
Elephants’ cancer-protection secret may be in the genes
An extra dose of cancer-fighting genes may be the secret to elephants’ long life spans.
- Health & Medicine
Why kids look funny when they run
Kids’ short legs give them little time to push high off the ground, a constraint that leads to the jerky toddler trot.
- Humans
Into Africa: Ancient skeleton sheds light on reverse migration
Ancient man’s DNA helps reveal extent of Eurasian farmers’ back-to-Africa migration some 3,000 years ago.
- Health & Medicine
Weight and sun exposure linked to onset of multiple sclerosis
Among people with multiple sclerosis, those with higher body mass and lower adolescent sun exposure tended to be diagnosed with the disease at an earlier age, a new study suggests.
