6,901 results
6,901 results for: Bears
- Earth
This pollutant fights lupus
A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.
- Chemistry
Nanoscale Networks: Superlong nanotubes can form a grid
Researchers have made extraordinarily long carbon nanotubes and aligned them to create tiny transistors and sensors for detecting chemical and biological agents.
- 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.
- Chemistry
Drug smugglers leave cellular tracks
Imaging reveals where some experimental nanoscale capsules ferry drugs when they enter cells.
- Earth
Sticky Situation: Nonstick surfaces can turn toxic at high heat
Nonstick cookware can, if overheated, sicken people and kill birds, according to a new analysis of research published over the past 40 years.
- Materials Science
Caught on Tape: Gecko-inspired adhesive is superstrong
Researchers have emulated a gecko's sticking power to create a superstrong adhesive.
- Anthropology
African Legacy: Fossils plug gap in human origins
Scientists who discovered three partial Homo sapiens skulls in Ethiopia that date to nearly 160,000 years ago say that the finds document humanity's evolution in Africa, independently of European Neandertals.
- Health & Medicine
Cancer vaccine gets first test in patients
The first clinical test of a cancer vaccine that targets a protein called carcinoembryonic antigen shows promise.
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Down the Tubes: Amino acid proves key to plant reproduction
An amino acid that human brain cells communicate with also has a role in plant sex.
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Beyond Clots: Platelets in blood may guide immune response
Platelets, best known for their ability to create blood clots in wounds, may also have a role in the immune system.
- Materials Science
Miniature Motor: Nanotubes central to new rotating device
Researchers have used miniature, nested cylinders, called multiwalled carbon nanotubes, to make a motor only 300 nanometers long.
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The Naked Truth? Lice hint at a recent origin of clothing
A study of genetic differences among human lice hints at the origin of clothing.
