6,882 results
6,882 results for: Bears
- Humans
Letters from the May 19, 2007, issue of Science News
Merry go round When considering a spin rate of 1,122 revolutions per second, has anyone determined the diameter of the neutron star XTE J1739-285 (“Dance of the dead,” SN: 3/17/07, p. 173)? If, for example, it were the same diameter as Earth, it would be traveling far in excess of the speed of light at […]
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Perchance to Hibernate
As scientists work to unravel the secrets of mammalian hibernation, they're eyeing medical applications that could aid wounded soldiers, stroke victims, and transplant recipients, among others.
- Physics
Invisible Trail: Analyzing the vortices in the wake of a bat
Flying bat generate lift and thrust with their wings much differently than birds do.
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Fly Moves: Insects buzz about in organized abandon
Fruit flies display a penchant for spontaneous behavior that represents an evolutionary building block of voluntary choice, also known as free will, a controversial study suggests.
- Humans
From the February 27, 1937, issue
Testing thermometers, measuring clouds, and a very useful mineral.
- Earth
North by Northwest
The Earth's magnetic poles wander around quite a bit, a phenomenon that occasionally confounded ancient explorers but is proving useful for today's archaeologists.
- Anthropology
Red-Ape Stroll
Wild orangutans regularly walk upright through the trees, raising the controversial possibility that the two-legged stance is not unique to hominids.
- Physics
Spinning into Control
High-speed flywheels could replace batteries in hybrid vehicles and help make the electrical grid more reliable.
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Talk to the Hand: Language might have evolved from gestures
Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.
- Humans
Letters from the May 5, 2007, issue of Science News
Mere kats? “Science behind the Soap Opera” (SN: 3/3/07, p. 138) shows that meerkats bear an uncanny resemblance to human beings. We, too, have an innate sense of responsibility for our group and individually commit acts of unspeakable violence. John HagerhorstFrederick, Md. Just a dram “Natural-Born Addicts: Brain differences may herald drug addiction” (SN: 3/3/07, […]
- Paleontology
Forest Primeval: The oldest known trees finally gain a crown
Recently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps.
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