113,181+ results
113,181+ results for:
- Archaeology
Ancient stone-tool making method arose multiple times
Hominids in both Africa and Eurasia independently invented a flake-tool technique hundreds of thousands of years ago, countering a long-held idea in archaeology.
- Tech
Solar cell powers water-to-hydrogen conversion
High efficiency could make perovskite solar cells useful for generating environmentally friendly fuel.
- Neuroscience
Mighty muscles may stave off depression
Strong muscles protect the brain from stress-induced toxin associated with depression, a study in mice suggests.
- Science & Society
Syria’s World Heritage Sites severely damaged by war
Satellite images reveal that five of the country’s six World Heritage Sites have suffered damage and some structures have been completely destroyed.
- Psychology
Balancing the excitation and inhibition tightrope in depression
A new study looks at how a balance of positive and negative inputs in the lateral habenula might relate to disappointment and depression.
- Life
Fledgling birds change rules for caterpillar color
An unusual experiment shows that larvae lose the advantage of warning colors during the seasonal flush of naïve predators.
- Animals
Sneaky little giraffe weevils beat big rivals
A little stealth gives smaller giraffe weevil males a leg up when competing with big ones for mates.
- Health & Medicine
Recovery time from surgery foretold
Blood samples taken from patients after surgery might reveal who is destined for a quick rebound.
- Health & Medicine
The debate over spanking is short on science, high on emotion
Spanking to discipline a child sparks heated debate that reflects deep divides in our society. Studies generally show negative effects of spanking, but there are many caveats.
- Health & Medicine
More than 1 million Ebola cases may hit West Africa by January
New projections of the outbreak suggest that without drastic improvements, weekly cases could increase from hundreds to thousands.
- Astronomy
Water found on Neptune-sized world
Just four times as wide as Earth, HAT-P-11b is the smallest exoplanet known to store water in its atmosphere.
- Health & Medicine
Growth in diabetes diagnoses starting to slow in U.S.
The percentage of the population diagnosed with diabetes and the rate of new cases per year rose sharply between 1990 and 2008 but haven't grown quite as quickly between 2008 and 2012.
