News
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Kookaburra sibling rivalry gets rough
The youngest kookaburra in the nest doesn't have a lot to laugh about.
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Whatever that is, it’s scary
Tammar wallabies that have lived away from mammalian predators for more than 9,000 years still seem to recognize the appearance of danger.
- Health & Medicine
Drugs slow aging in worms
Drugs that defuse so-called free radicals lengthen a worm's life span by more than 50 percent.
- Health & Medicine
Viruses depend on shocking proteins
To replicate within a cell, a bird virus must force the cell to make certain proteins.
- 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
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.
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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.
- 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.
- 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.
- Plants
Glitch splits hermaphrodite flowers
In a newly proposed scenario, polyploidy may trigger perfectly good hermaphrodite plants to evolve gender forms.
- 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.
- Computing
Virtual stampede sees faces in crowd
A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding.
