Uncategorized
- Astronomy
From Dark Matter to Light
Recent surveys of the shapes, colors, and masses of galaxies have put a new focus on the nitty-gritty of galaxy formation—the complicated physics of the interaction of gas.
-
19935
In this article, Ron Cowen says that gas is where the action is since dark matter predominantly responds to only gravity. Because dark matter responds to gravity, wouldn’t it, like gas, be pulled into the star-making process and become part of the resulting star? Why is our sun not predominantly dark matter? Eugene (Gene) CaterEasley, […]
-
Road to Eureka!
Researchers are beginning to identify neural components of insightful problem solving, though no scientific consensus exists on how the brain mediates "light-bulb" or "Aha!" moments.
- Humans
Letters from the March 22, 2008, issue of Science News
The price of water In reference to the article “Going Down: Climate change, water use threaten Lake Mead” (SN: 2/23/08, p. 115), scarcity requires society to allocate. Usually markets do a better job than law at allocating efficiently and fairly. Lake Mead could remain full to the brim regardless of pending climate change. The quoted […]
- Math
Spoil-Proofing Elections
The only way to ensure that the person the voters prefer walks away the winner, mathematicians say, is to fundamentally change voting procedures.
- Humans
From the March 12, 1938, issue
An extinct cinder cone captured from above, a mystery gland's connection to male virility, and growing fodder indoors for winter feeding.
- Agriculture
Switchgrass Science
A native prairie grass shows promise as a substitute for corn in the production of fuel ethanol—an additive to stretch fossil-fuel resources for transportation. University of Tennessee researchers have produced a video on the science and prospects of switchgrass ethanol that is available in a 26-minute version and an abbreviated form. For those who don’t […]
- Humans
Tomorrow’s Stars: Intel Science Talent Search honors high achievers
The Intel Science Talent Search announced its winners at a gala dinner honoring the competition's 40 finalists.
- Health & Medicine
Dual Role: Painkiller may affect brain
A class of drugs being developed to block pain could obstruct memory formation as well.
- Anthropology
Small Wonders: Tiny islanders elevate ‘hobbit’ debate
The discovery in two South Pacific caves of bones from an extinct group of half-size humans has fueled the already heated scientific debate over the evolutionary identity of so-called hobbit remains from Indonesia.
- Animals
Gator Aids: Gators squish lungs around to dive and roll
Alligator researchers say they have discovered a new role for lungs as maneuvering aids under water.
-
Common Age: Worms, yeast, and people share genes for aging
Roundworms, yeast, and humans share more than a dozen genes linked to aging.
