Life
- Anthropology
The way hunter-gatherers share food shows how cooperation evolved
Camp customs override selfishness and generosity when foragers divvy up food, a study of East Africa’s Hazda hunter-gatherers shows.
- Health & Medicine
50 years ago, a flu pandemic spurred vaccine research
A half-century after the Hong Kong flu pandemic, scientists are getting closer to a universal vaccine.
- Health & Medicine
Kidney stones grow and dissolve much like geological crystals
Kidney stones are dynamic entities that grow and dissolve, a new study finds, which contradicts the prevailing medical assumption.
- Paleontology
Cholesterol traces suggest these mysterious fossils were animals, not fungi
Traces of cholesterol still clinging to a group of enigmatic Ediacaran fossils suggests the weird critters were animals, not fungi or lichen.
- Life
Humans have skeletal stem cells that help bones and cartilage grow
Human skeletal stem cells have been found for the first time.
- Life
DNA from seized elephant ivory unmasks 3 big trafficking cartels in Africa
Scientists can sleuth out wildlife crime and aid law enforcement by tracing elephant DNA from ivory seizures back to the source.
- Neuroscience
Over-the-hill cells may cause trouble in the aging brain
Killing dormant cells in the brains of mice staved off memory trouble.
- Plants
Smart plants can teach us a thing or two
‘The Revolutionary Genius of Plants’ challenges the brain-centered view of intelligence.
- Life
Here’s how clumps of honeybees may survive blowing in the wind
Honeybees clumped on trees may adjust their positions to keep the cluster together when it’s jostled by wind, a new study suggests.
- Genetics
A recount of human genes ups the number to at least 46,831
A new estimate of the number of human genes adds in some RNA-producing genes.
- Ecosystems
Confused mayflies wreak havoc on a Pennsylvania bridge
Cleaning a river in central Pennsylvania brought back mayflies, which now pose a threat to motorists crossing a bridge.
- Animals
‘Poached’ offers a deep, disturbing look into the illegal wildlife trade
In ‘Poached,’ a journalist reports from the front lines of the illegal wildlife trade and shows how conservationists are fighting back.
