Search Results for: Bears
Skip to resultsCan’t find what you’re looking for? Visit our FAQ page.
6,875 results for: Bears
- Materials Science
Steely Glaze: Layered electrolytes control corrosion
Experiments with ultrathin organic coatings applied to steel suggest a new technique for slowing corrosion.
By Ben Harder - 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 […]
- Archaeology
Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts
New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.
By Bruce Bower - Earth
The Case for DDT
What do you do when a dreaded environmental pollutant saves lives?
By Janet Raloff - Anthropology
Southern Reindeer Folk
Western scientists make their first expeditions to Mongolia's Tsaatan people, herders who preserve the old ways at the southernmost rim of reindeer territory.
By Susan Milius -
Get Rid of the Bodies
Scientists are learning how organisms safely clear out cell corpses.
By John Travis - Earth
Why the Mercury Falls
Certain pollutants can foster the localized fallout of mercury, a toxic heavy metal, from the atmosphere.
By Janet Raloff - Astronomy
Outlier Planet: Extrasolar places that are like home
A team of veteran hunters of planets outside the solar system has come up with a landmark finding: a Jupiterlike planet orbiting a Sunlike star at a Jupiterlike distance.
By Ron Cowen - Animals
Camelid Comeback
The future of vicuñas in South America and wild camels in Asia hinges on decisions being made now about their management.
- 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 […]
-
From the May 14, 1932, issue
DOVE ORCHID MAKES FITTING FLOWER FOR WHITSUNDAY Sunday, May 15, is the Feast of Pentecost, or Whitsunday, when many of the churches commemorate the descent of the Holy Spirit. In the lands of tropical America, where delicate orchids can be had by anybody, many an imaginative Latin will mingle poetry with his piety as he […]
By Science News - Health & Medicine
Feel the Burn: Alcohol sets pain-sensing nerves aflame
Alcohol makes certain pain-generating nerves trigger more easily than normal.
By John Travis