All Stories
- Paleontology
An ammonite’s last supper
A detailed X-ray image of a fossil reveals an ancient marine creature’s diet.
- Life
Spider sex play has its pluses
In the tricky world of arachnid mating, messing around with not-quite-mature females yields later benefits.
- Health & Medicine
Possible relief for irritable bowel
Those taking an antibiotic whose effects are localized to the intestines fared better than patients getting a placebo pill, two trials find.
- Chemistry
Building big molecules bottom-up
Using templates, chemists make ring structures on the scale of biological machinery.
- Paleontology
Oceans may have poisoned early animals
High sulfur and low oxygen produced a deadly brew nearly 500 million years ago that apparently stalled a burst of evolutionary change.
- Health & Medicine
Second chicken pox shot boosts coverage
Giving a follow-up vaccination increases coverage to more than 98 percent of kids who receive it, a study finds.
- Health & Medicine
How the brain shops
Using implanted electrodes, researchers find individual neurons associated with attaching value to objects.
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- Humans
How to hear above the cocktail party din
Simply repeating a sound in different acoustic environments may allow listeners to focus in on it, experiments suggest.
- Life
Robins reject red glowing grub
Parasitic worms induce a color change in their caterpillar victims that's literally repulsive to predators.
- Humans
Calendar marks chemistry milestones
January 1, 2011, ushers in the International Year of Chemistry. The American Chemical Society has compiled on online calendar that points to landmark events and trivia to celebrate.
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Young’uns adrift on the sea
Scientists try to identify and track elusive larvae in a boundless ocean.
