News
- Physics
One-molecule chemistry gets big reaction
Carrying out a widely used chemical reaction on one molecule at a time, researchers demonstrate unprecedented control of molecular behavior and, possibly, the ability to make novel nanotechnology devices and compounds that can't be created with ordinary chemistry.
- Plants
Glitch splits hermaphrodite flowers
In a newly proposed scenario, polyploidy may trigger perfectly good hermaphrodite plants to evolve gender forms.
- Astronomy
Craft finds where sun’s corona gets its hots
New findings may help explain an enduring solar riddle: Although the sun's outer atmosphere lies thousands of kilometers above the visible surface of the sun, it's about 1,000 times hotter.
- Health & Medicine
Insulin inaction may hurt even nondiabetics
Flawed insulin activity may lead to blood changes that foster atherosclerosis, even in people who don't have diabetes.
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Memory echoes in brain’s sensory terrain
The process of remembering an event reactivates brain regions that were involved in initially seeing or hearing the event.
- Earth
Model offers grounds for midwestern quakes
A new computer model may help explain how earthquakes can happen at fault zones located far from the edges of a tectonic plate.
- Health & Medicine
Gene Tied to Heightened Diabetes Risk
People with three particular variations within the gene that encodes the protein calpain-10 face triple the risk of getting type II diabetes.
- Earth
River Stats Trickle In: Major floods may be waning in Europe
A new analysis of historical flood records from central Europe suggests that widespread inundations in the region have been on the wane for the past century or so.
- Health & Medicine
Paper Chased: Cancer-vaccine study is retracted
Researchers in Germany have retracted a paper that reported promising results for a vaccine that elicited immune responses against cancer cells.
- Health & Medicine
Sweet Relief: Comfort food calms, with weighty effect
Chronic stress might drive people to consume comfort foods that can soothe the brain.
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DNA Tie for Two Disorders: Genetic defects link psychiatric ailments
Alterations of genes that produce a protective, fatty coating for brain cells may influence the development of both schizophrenia and bipolar disorder.
- Health & Medicine
Damage Patrol: Enzyme may reveal cancer susceptibility
People with lung cancer show less DNA-repair activity by a certain enzyme than people without the disease do.
