6,875 results
6,875 results for: Bears
- Anthropology
Scripted Stone: Ancient block may bear Americas’ oldest writing
A slab of stone found by road builders in southern Mexico may contain the oldest known writing in the Americas, although some scientists regard the nearly 3,000-year-old inscriptions cautiously.
- Animals
Bite This: Borrowed toad toxins save snake’s neck
An Asian snake gets toxins by salvaging them from the poisonous toads it eats.
- Tech
Fire Inside
The events of 9/11 put new urgency into efforts to design buildings able to withstand the structural damage that fire can cause.
- Archaeology
Dawn of the City
A research team has excavated huge public structures from more than 6,000 years ago in northeastern Syria, challenging the notion that the world's first cities arose in the so-called fertile crescent of what's now southern Iraq.
-
Touring the Poles
Hunting for bear leads to uncountable infinities.
- 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 […]
-
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.
-
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.
