Uncategorized
- 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.
- Earth
Weather maker
The North Atlantic's Gulf Stream affects the overlying atmosphere more strongly than previously suspected.
- Health & Medicine
Roll Up Your Sleeve: Hypertension vaccine passes early test
An angiotensin vaccine stifles high blood pressure in an early test in people.
-
19934
This article brings up a question. This glow should be stronger in one direction, which can point us to the center of the universe. Is this possible? Donald BurrNovato, Calif. Studies of the microwave glow reveal that Earth is moving surprisingly quickly relative to the cosmic background radiation. But this motion is not evidence that […]
- Astronomy
State of the Universe: Microwave glow powers cosmic insights
Radiation left over from the Big Bang offers researchers unprecedented cosmic understanding.
- Humans
Letters from the March 15, 2008, issue of Science News
Alpha bird(s) There is a detail not explicit in the article “Birds network too” (SN: 2/23/08, p. 125) that fits the computer network analogy. By its flight path, each bird adds its personal input and helps guide the course of the flock. Don BurnapRapid City, S.D. Andrea Cavagna, a physicist at Italy’s National Research Council, […]
- Plants
City life changes style of weed seeds
City living pushes for rapid evolution in the seed strategy of a little yellow flower along French sidewalks.
