News
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Sleepy brains make memorable waves
Precisely timed electrical discharges in two parts of the brains of sleeping rodents offer clues to how slumber may foster memories of recently learned material.
- Earth
Dust devils produce magnetic fields
Scientists who chase dust devils report that the tiny twisters can produce a small magnetic field that changes magnitude between 3 and 30 times per second.
- Health & Medicine
Stress-prone? Altering the diet may help
Tailoring a diet to fuel the brain with the precursor of a mood-enhancing chemical may help vulnerable individuals cope with stress.
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Mice can thank a hormone for the memories
Oxytocin, a hormone previously implicated in mammalian sexual and maternal behavior, may play a role in social recognition in mice.
- Chemistry
Lakes reveal low phosphate concentrations
Researchers using a new technique have found that previous measurements of phosphate, an important nutrient in lake ecosystems, have grossly overestimated its concentration.
- Animals
He and she cooperate on anti-aphrodisiacs
Scientists have for the first time identified a chemical that serves as a butterfly anti-aphrodisiac.
- Anthropology
Gene test probes Neandertal origins
A new DNA study supports the theory that Neandertals didn't contribute to the evolution of modern humans.
- Health & Medicine
DNA vaccine for measles shows promise
A measles vaccine consisting of just a couple of DNA strands proves effective in monkeys, possibly presenting an alternative or complementary vaccine for the standard immunization now used worldwide.
- Earth
Enjoy the beach. . .while it’s still there
Up to a quarter of the structures within 500 feet of America's coastlines may be lost to erosion in the next 60 years, according to a report issued by the Federal Emergency Management Agency last week.
- Tech
Magnifier May Crack Crimes, Crashes
Gumshoes equipped with a novel device for magnifying magnetic fields may spy clues on damaged, erased, or deliberately corrupted audio tapes and other magnetic media.
- Physics
Quantum computers to keep an eye on
A primitive ion-based computer exploiting the weirdness of quantum mechanics has taken an important step forward in problem solving.
- Humans
Talent Found: Top science students chosen in 62nd annual competition
Forty wunderkinder, named as finalists in the annual Intel Science Talent Search, will collect $530,000 in scholarships for original research in science, mathematics, and engineering.
