Uncategorized
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19499
Your article has a graphic that appears to show an area that lifted by up to 5 meters and a vaguely equal area that was depressed by up to 2 m. This suggests an average increase in the distance of mass from the center of Earth. Yet a researcher claims that Earth’s rotation time has […]
- Astronomy
Ring robber
Images taken by the Cassini spacecraft provide graphic evidence of Saturn's moon Prometheus stealing particles from the planet's narrow F ring.
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Plants: Importance of being economic
The pulse of the real estate market in a given area turns out to be a powerful indicator of how many exotic plant species have invaded the neighborhood.
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19498
I wonder if the upsurge in alien, invasive species in real estate boom areas is, at least in part, because of careless gardening. Many people introduce non-native plants into their landscape without regard to the potential for domination of these pretty plants over native species. Carol SenskeGreen Lane, Pa.
- Astronomy
A dwarf with a disk
The Hubble Space Telescope has examined in unprecedented detail a ring of debris around a star that could be the nearest and youngest known home for planets outside the solar system.
- Earth
Ocean-sensor project reaches milestone
Oceanographers seeking to deploy an armada of 3,000 robotic probes to take the pulse of Earth's oceans have passed the halfway mark and hope to have the full array of sensors in place by 2007.
- Humans
Helping patients decipher options
Scientific publishers and research organizations are preparing to launch a Web site that will make new research findings available to the public in an easy-to-understand context.
- Physics
Probe bares heart of X-ray inferno
Physicists have snapped the first real-time pictures of the exploding core of the world's most powerful X-ray source other than a nuclear bomb.
- Health & Medicine
Food Colorings
Many deeply hued plant pigments appear to offer health benefits, from fighting heart disease and obesity to preserving memory.
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19497
I envision a beautifully colorful potato salad utilizing multiple colors of potatoes. But would a cooked mixture be like carrots with potatoes (minimal bleed) or like beets with anything else (maximum bleed)? Lorraine BauderSudbury, Mass. The red and blue pigments in the new potato lines are “water soluble and will leach,” notes USDA’s Charles R. […]
- Tech
Frankenstein’s Chips
As evidence mounts that drug-safety trials can miss dangerous effects, scientists are building living, miniature models of animals and people to enhance drug and chemical tests.
- Math
Artful Routes
Finding the shortest routes linking cities can also produce intricate continuous-line portraits.
