Uncategorized
- Health & Medicine
Surgical risk from painkiller may be brief
A new study suggests that patients might safely use painkillers such as ibuprofen up to 24 hours before surgery.
- Materials Science
Shape shifter
Scientists have created a polymer that, after being deformed, will revert to its original shape when exposed to ultraviolet light.
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
- 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.
