Uncategorized
- Astronomy
The Sun’s Halo in 3-D
A new computer map of the sun's outer atmosphere and spacecraft ready for launch are expected to shed new light on the origin of solar eruptions and provide more accurate warning of their impact on Earth.
- Humans
Letters from the August 19, 2006, issue of Science News
Aye carumba Math isn’t the only science that makes it into The Simpsons (“Springfield Theory,” SN: 6/10/06, p. 360). In one episode a few years ago, a meteorite landed near Bart. He picked it up and put it in his pocket. Although most people are under the impression that meteorites are extremely hot, they’re not. […]
- Math
Lake Wobegon Averages
Computing average class size can give different answers that depend on your point of view.
- Humans
From the August 8, 1936, issue
Phosphorus for agriculture, dirtless gardening, and the spectroscopic analysis of blood.
- Earth
Earthquake Hazards
To keep up with the latest rumblings around the globe, the U.S. Geological Service offers a Web site with current earthquake data. The site also includes information about significant earthquakes of the past, megaquakes and Hollywood disaster movies, and a section for kids, which has games, puzzles, science project ideas, and more. Go to: http://earthquake.usgs.gov/
- Ecosystems
Fish as Farmers: Reef residents tend an algal crop
A damselfish cultivates underwater gardens of an algal species that researchers haven't found growing on its own.
- Health & Medicine
Total Recall: Drug shows long-lasting boosts of memory in rats
Research in rats shows that an experimental drug completely regenerates parts of the brain crucial to forming memories.
- Health & Medicine
Need for Speed: Faster-acting tuberculosis drugs now in testing would limit deaths
Drugs that take only 2 months to cure tuberculosis instead of the usual 6 months could prevent millions of TB infections and deaths.
- Astronomy
Solar System Small Fry: Stellar blinks reveal tiny bodies near Pluto
By measuring tiny dips in the intensity of X rays from a distant star, astronomers say they have detected more than 50 of the tiniest chunks of ice ever found in the outer solar system.
- Paleontology
New View: Method looks inside embryo fossils
Using an X-ray–scanning technique, scientists have taken a high-resolution peek inside fossilized embryos of some early multicellular organisms.
- Earth
Macho Moms: Perchlorate pollutant masculinizes fish
Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish.
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To argue that the concentrations reported in this study are environmentally relevant is misleading. Those concentrations are usually in groundwater, not surface waters. I’ve been involved in the environmental field for almost 20 years and have yet to hear of any fish being caught in groundwater. John HarrisSacramento, Calif. Study coauthor Frank von Hippel notes […]
