Feeling Down? Take a Walk in the Woods
Researchers suggest walks in nature—but not in urban areas—may help ease a key component of depression.
Is Our Medical Research Honing in on the Right Issues?
A new study indicates that people want fewer drug studies and more research on physical and psychological therapy.
‘Hardcore’ Smokers Are Softening Up
A new study questions whether there really are smokers who can't or won't quit—and whether encouraging them to use other nicotine products is the right way to get them off cigarettes.
Bring Back Needle-Exchange Funding
The Indiana HIV outbreak highlights the need for science-based drug policy.
Bird Skulls Document the Rise of Inequality—11 Centuries Ago
Carbon-dated Macaws suggest a Chaco Canyon social elite existed as early as 900 C.E., challenging the narrative of one of archaeology's great case studies.
A Better Way to Find Patient Zero
Computer simulations and a little math could help narrow the search for an outbreak's origins.
When to Sign Polio’s Death Certificate
It's not over just because there aren't any more new cases, a new study shows.
Detecting a Coming Betrayal
Researchers use transcripts from online Diplomacy games to identify signs of imminent betrayal.
Fact-Checking With Wikipedia
A network of Wikipedia infobox links helps reveal claims' veracity, researchers find.
What’s Behind Post-Brain Injury Depression and Anxiety?
A study suggests damaged white matter, the brain's signal cables, may be to blame.