News
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Blood clot protein is stretchiest natural fiber ever found
The protein that forms the backbone of blood clots can stretch to several times its own length and then snap back to its original size.
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EarthAs glaciers shrink, the Alps get taller
The melting of massive glaciers in the Alps is removing weight from those peaks and causing them to gain altitude.
By Sid Perkins -
Health & MedicineScientists find midnight-snack center in brain
Researchers have tracked down the location of a body clock that appears to be regulated by food.
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Health & MedicineBlood sugar and spice
Eating cayenne pepper with meals may mitigate a hormonal response to food that's linked to diabetes.
By Ben Harder -
Poor sleep can accompany schizophrenia
The biological clocks in people with schizophrenia often are disturbed, if not broken.
By Janet Raloff -
AstronomyBraking news: Disks slow down stars
Astronomers have the first clear-cut evidence that rotating young stars are slowed by the planet-forming disks of gas and dust that surround many of them.
By Ron Cowen -
AnimalsHot and hungry bees hit hot spots
New lab experiments suggest that bumblebees like warm flowers and can learn color cues to pick them out.
By Susan Milius -
Autism’s Cell Off: Neural losses appear in boys, men with disorder
The brains of boys and men with autism, a developmental disorder that impairs communication and social interaction, contain low numbers of neurons in a structure involved in emotion and memory.
By Bruce Bower -
HumansRacial IQ Gap Narrows: Blacks gain 4 to 7 points on whites
African Americans reduced the racial gap on IQ-test scores by about one-third between 1972 and 2002.
By Eric Jaffe -
EarthStung Lung: Volatile chemical may cut respiratory capacity
Para-dichlorobenzene, a chemical in some air fresheners and pest-control products, may slightly impair lung function in millions of people.
By Ben Harder -
TechMicrobial Mug Shots: Telltale patterns finger bad bacteria
A sophisticated pattern-recognition technique that borrows from automated face recognition may permit identification of harmful bacteria faster and more cheaply than conventional methods do.
By Peter Weiss -
EarthNorthern Refuge: White spruce survived last ice age in Alaska
Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.
By Sid Perkins