News
- Health & Medicine
Fecal glow could improve meat safety
Workers who process animal carcasses into meat might soon use a novel type of laser scanner to identify products that have been contaminated with feces.
- Astronomy
Supernovas, gamma-ray bursts: Two of a kind?
Astronomers have uncovered direct evidence that gamma-ray bursts are linked to supernovas.
- Tech
A Breath of Fresh Air: Bacteria rid sewage of its stink
Wastewater-treatment plants can use hydrogen sulfide-degrading bacteria instead of chemicals to reduce odors.
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Harvesting Intelligence: IQ gains may reach rural Kenya’s kids
Researchers say they've uncovered a dramatic IQ increase among Kenyan children over a recent 14-year period that may be due to environmental factors such as better nutrition and a greater parental emphasis on schooling.
- Health & Medicine
Preeclampsia Progress: Blood test for predicting pregnancy problems
A natural compound called asymmetric dimethylarginine (ADMA) may play a role in preeclampsia, a pregnancy complication.
- Materials Science
Nanofluid Flow: Detergents may benefit from new insight
Fluids containing nanoscale particles spread and readily lift oil droplets off a surface.
- Paleontology
Winging South: Finally, a fly fossil from Antarctica
A tiny fossil collected about 500 kilometers from the South Pole indicates that Antarctica was once home to a type of fly that scientists long thought had never inhabited the now-icy, almost insectfree continent.
- Earth
Farm Harm: Ag chemicals may cause prostate cancer
On-the-job exposure to certain agricultural chemicals may be responsible for farmers' high rates of prostate cancer.
- Astronomy
Starry View: Image reveals galaxy’s violent past
The most detailed visible-light picture ever taken of the heavens reveals that the nearby Andromeda galaxy has had a much more violent history than our own Milky Way has.
- Anthropology
Ancestral split in Africa, China
Environmental conditions may have encouraged Homo erectus to develop a level of social and tool-making complexity in Africa that the same species did not achieve in China.
- Anthropology
Wari skulls create trophy-head mystery
A 1,000-year-old Peruvian site has yielded the remains of decapitated human heads that were used as ritual trophies but, to the researchers surprise, did not come from enemy warriors.
- Anthropology
Jaw-dropping find emerges from Stone Age cave
A nearly complete lower jaw discovered in a Romanian cave last year and dating to around 35,000 years ago may represent the oldest known example of anatomically modern Homo sapiens in Europe.
