News
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HumansThe long, wild ride of bipolar disorder
The first long-term study of its kind finds that bipolar disorder identified in children often persists into young adulthood and involves frequent, intense swings between manic euphoria and depression.
By Bruce Bower -
EarthWhen trees grew in Antarctica
Fossils of trees that grew in Antarctica millions of years ago suggest a growth pattern much different than modern trees.
By Sid Perkins -
EarthEarthquake history recorded in stalagmites
Where stalagmites start and stop in caves could offer more precise clues about when major earthquakes have hit (and could again hit) the Midwest.
By Sid Perkins -
Health & MedicineNobel Prize in medicine given for HIV, HPV discoveries
Three Europeans recognized for linking viruses to AIDS, cervical cancer.
By Nathan Seppa -
PhysicsCharging up fuel injection
A new device uses an electric field to increase cars’ gas mileage.
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HumansGenetic link to dyslexia
Scientists studying a large group of British children find a link between a DNA sequence that contains a gene involved in brain development and a range of reading problems, including dyslexia.
By Bruce Bower -
SpaceNo naked black holes
In a simulated merger, astrophysicists tried to push the boundaries of two black holes into shedding their event horizons. But the resulting black hole was still shrouded by its event horizon, through which even light can’t escape.
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EarthA near-record Arctic melting
This summer, the area covered by Arctic sea ice dropped to its second-lowest since satellite measurements began in 1979.
By Sid Perkins -
LifeHoneybees play follow-the-leaders
Avert your eyes, Margaret, it's a streaker bee! High definition cameras have caught streaker honeybees flying fast above the swarm, leading the crowd to a new home.
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LifeBeetles grow weed killer
Beetle moms carry their own bacteria for making a compound to protect their gardens.
By Susan Milius -
EarthSea-level history off the ice
For the first time, researchers have assembled a comprehensive record of how sea level varied between 542 million and 251 million years ago, more than doubling previous timelines for such fluctuations.
By Sid Perkins -
PhysicsShaping up the sun
The most accurate measurements yet of the sun’s shape show that magnetic activity plays a role in making the sun appear more oval than it really is.
By Ron Cowen