6,901 results
6,901 results for: Bears
- Animals
Naked and Not
The Damaraland mole rat may be less famous than its naked cousin, but both have some of the oddest social structures found in a mammal.
- Astronomy
Astronomy Gets Polarized
Studies using polarized light, an endeavor once considered astronomy's stepchild, are now elucidating the shape of supernovas as well as providing new details about the early universe.
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30 Hours with Team Slime Mold
A bunch of biologists volunteer for a mad weekend of biodiversity surveying to see what's been overlooked right outside Washington, D.C.
- Humans
Books for Late Summer
The writers of Science News present wide-ranging recommendations of books for readers to pack for their late-summer vacations.
- Animals
Crouching Scientist, Hidden Dragonfly
Although dragonflies are among the most familiar of insects, science is just beginning to unravel their complex life stories.
- Animals
Why Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
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Inherit the Warmer Wind
The genetic makeup of organisms ranging from fruit flies to birds appears to be changing in response to global warming.
- Humans
Science News of the Year 2006
A review of important scientific achievements reported in Science News during the year 2006.
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19915
This article says that the companion star of the pulsar PSR B1516+02B must be “tiny” because it cannot be seen. Isn’t it possible that the companion is made of dark matter? Is there a “wobble” test or other way to discern between a companion that is truly tiny (low mass) and one that is perhaps […]
- Math
Algebra, Philosophy, and Fun
I don’t often encounter the words “philosophy” and “fun” right next to the term “algebra.” Nowadays, these words don’t seem to fit together comfortably. However, the three terms do appear in the title of an engaging little book called Philosophy and Fun of Algebra, written by Mary Everest Boole (1832–1916) and published in 1909. I […]
- Math
Jazzing Up Euclid’s Algorithm
Earlier this year, the journal Computing in Science & Engineering (CISE) published a list of the top 10 algorithms of the century (see http://computer.org/cise/articles/Top_Algorithms.htm). “Computational algorithms are probably as old as civilization,” Francis Sullivan of the Institute for Defense Analyses’ Center for Computing Sciences in Bowie, Md. noted in an editorial in the January/February issue […]
- Math
Tilt-A-Whirl Chaos (I)
Tilt-A-Whirl. Sellner Manufacturing Co. Schematic drawing (top view) showing the Tilt-A-Whirl’s geometry. Much of the fun of an amusement park ride results from its stomach-churning, mind-jangling unpredictability. The Tilt-A-Whirl, for example, spins its passengers in one direction, then another, sometimes hesitating between forays and sometimes swinging abruptly from one motion to another. A rider never […]
