Uncategorized
- Tech
Radio-a-Wreck
Radio transmitters broadcasting from imploding buildings are informing engineers about how such collapses disrupt radio communications and how rescuers might overcome those disruptions.
- Math
Works in Progress
Studying math in school doesn't often give you a sense of what mathematical research is about.
- Humans
Letters from the April 30, 2005, issue of Science News
Supplemental information Vitamin E Loses Luster: Nutrient tests show disappointing results” (SN: 3/19/05, p. 182) is the fourth time I’ve seen a report that vitamin E may not be appropriate for elderly people at cardiac risk. Detailed statistics are always given, but one fact is always omitted: what type of vitamin E was used in […]
- Humans
From the April 27, 1935, issue
An artificial lightning bolt, predicting life spans, and a new, nonmagnetic ship.
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Whale Songs
Listen to the songs of whales and the sounds of the ocean near Maui, Hawaii. The Whalesong Project is the effort of a group of volunteers to bring attention to the beauty of oceans and the wonder of whales and dolphins. Go to: http://www.whalesong.net/
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Goal-Oriented Brain Cells: Neurons may track action as a prelude to empathy
Nerve cells located toward the back of a monkey's brain appear to assist in discerning the goals of specific actions.
- Ecosystems
Where Tuna Go: Atlantic fish mix for feeding, not spawning
The largest high-tech tag study yet of Atlantic bluefin tuna suggests that two groups mix on feeding grounds but spawn on opposite sides of the ocean.
- Astronomy
Shell of a finding
A new X-ray portrait of a supernova remnant suggests that this shell of hot gas may be hard to discern if the interstellar medium around the exploded star has extremely low density.
- Earth
Bed of Armor: Large rocks hold fast in flooding streams
The relative proportions of rocks of various sizes in gravel-lined streams remain constant, even during substantial floods.
- Chemistry
The Proper Popper: Corn kernel’s chemistry is key to its ka-pop
The secret to better popcorn popping is the crystalline structure of the kernel's hull.
- Agriculture
Insecticide Inside: Gene-modified rice cuts chemical spraying in China
In the hands of Chinese farmers, varieties of rice genetically modified to fend off insects reduce pesticide use and increase crop yields.
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Losing Sleep: Mutant flies need less shut-eye
The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.
