News
- 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.
- 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.
- Life
Flower sharing may be unsafe for bees
Wild pollinators are catching domesticated honeybee viruses, possibly by touching the same pollen.
- Humans
Babies may sense others’ worldviews earlier than thought
New study suggests 7-month-olds can recognize that other people's beliefs don't always match reality.
- Humans
Google a bedbug today
With no good technological solutions, entomologists call on the public to remain eternally vigilant against a resurgent foe.
- Health & Medicine
Giant rats detect tuberculosis
Animals can be trained to sniff out TB in sputum samples, adding to accuracy of microscope test, a study from Tanzania shows.
- Health & Medicine
Childhood epilepsy that lasts into adulthood triples mortality
The added risk occurs in patients whose seizures persist, a 40-year study in Finland shows.
- Life
Neandertal relative bred with humans
Known only through DNA extracted from a scrap of bone, a Siberian hominid group suggests a much more complicated prehistory for Homo sapiens.
- Space
South Pole neutrino detector complete
Scientists lower the last of more than 5,000 sensors into the Antarctic ice, completing the mile-deep IceCube observatory.
