News
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Schizophrenia Plus and Minus: Cognitive course nudges patients into workforce
Antipsychotic drugs exert disappointingly modest effects on the quality of life of people with schizophrenia, although a new cognitive-training program shows promise as a way to get these psychiatric patients into the workforce.
- Animals
Mafia Cowbirds: Do they muscle birds that don’t play ball?
A new test offers the best evidence yet that cowbirds retaliate against birds that resist their egg scams.
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Living Long on Less? Mouse and human cells respond to slim diets
Some animals live longer on reduced-calorie diets, and in a recent experiment people on such diets had many of the cellular changes that those long-lived animals did.
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Body clock affects racing prowess
When it comes to athletic performance, we're all night owls, a new study suggests.
- Archaeology
Spicy finds from before Columbus
Ancient Americans cultivated and ate chili peppers at least 6,100 years ago, setting the stage for the spicy condiment to spread throughout the world after Columbus' voyages to the New World.
- Earth
DNA pinpoints poached ivory tusks
Scientists tracked the origin of an illegal ivory shipment to Zambia by using an improved DNA-analysis technique to study the confiscated tusks.
- Planetary Science
A crack at life
New images of ancient cracks on Mars suggest that liquid may have percolated through underground rock on the Red Planet, providing a possible habitat for primitive life.
- Paleontology
Ancient slowpoke
A 1-centimeter-long, 505-million-year-old fossil from British Columbia represents a creature that joins two lineages of marine invertebrates from that era that scientists previously hadn't linked.
- Earth
Equal Opportunity Outcome: Different pollutants show same impact
At concentrations present in the environment, each of three dissimilar toxic agents can seize control of a signaling pathway that regulates developing cells in the central nervous system.
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Natural-Born Addicts: Brain differences may herald drug addiction
Differences in the behavior and the brain receptors of rats seem to predict which of the rodents will become cocaine addicted.
- Planetary Science
Stormy Weather in Space: Craft take panoramic view of solar eruptions
Twin spacecraft have for the first time tracked solar storms, known as coronal mass ejections, from their birth in the lower depths of the sun's atmosphere all the way to Earth's orbit.
- Animals
Snail Highways: By following trails, periwinkles save slime
A snail that follows another snail's slimy path saves energy by not having to secrete so much mucus.
