6,896 results
6,896 results for: Bears
- Earth
On Shifting Ground
In earthquake-prone areas of the United States and elsewhere in the world, debates go on over whether—and how much—to reinforce buildings.
- Health & Medicine
Predicting Prostate Cancer’s Moves
To guide treatment decisions in individual cases of prostate cancer, medical researchers are using gene-expression profiling and other novel techniques to develop better predictive markers of how a given tumor will behave.
- Tech
Mind-Expanding Machines
Researchers have designed computer systems aimed at amplifying human thought and perception, such as a new type of cockpit display for aircraft pilots that exploits the power of peripheral vision.
- Earth
Danger in the Air
To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity.
- Earth
On Thinning Ice
Although some of Earth's glaciers seem to be holding their own in the face of global warming, most of them are on the decline, many of them significantly.
- Anthropology
Erectus Ahoy
A researcher who explores the nautical abilities of Stone Age people by building rafts and having crews row them across stretches of ocean contends that language and other cognitive advances emerged 900,000 years ago with Homo erectus, not considerably later among modern humans, as is usually assumed.
- Planetary Science
Martian Invasion
If all goes according to plan, three spacecraft—one in December, two in January—will land on the Red Planet, looking for evidence that liquid water once flowed on its surface.
- Earth
Attack of the Rock-Eating Microbes!
Geologists who examine mineral transformations increasingly see bacteria at work, leading the scientists to conclude that if microbes aren't driving the underlying chemical reactions, at least they're taking advantage of the energy that's released.
- Health & Medicine
Testing Times
Relying in part on a new rapid HIV test, health officials are working to identify and treat more HIV infections earlier in the course of the disease.
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Tiny Bubbles
Microscopic vesicles shed by cells may help the AIDS virus, benefit cancer cells, and drive the immune response.
- Plants
Warm-Blooded Plants?
Research heats up on why some flowers have the chemistry to keep themselves warm.
- Humans
Undignified Science
Research advances in 2003 heralded a string of unexpected scientific indignities that will occur in the future, at least in the fevered imagination of one writer.
