Uncategorized
- Ecosystems
Trust That Bird? A bit of future-think lets jays cooperate
A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership.
- Earth
Dust Up: Office bustle launches anthrax spores
The commotion of everyday business in indoor spaces contaminated with anthrax can launch the bacterium's dangerous spores into the air.
- Planetary Science
Martian History: Weathering a new notion
Researchers suggest that intermittent impacts by huge asteroids and comets some 3.5 billion years ago profoundly influenced the landscape of Mars.
- Health & Medicine
First-Line Treatment: Chronic-leukemia drug clears a big hurdle
In its first large-scale test on newly diagnosed leukemia patients, the drug imatinib—also called Gleevec and STI-571—stopped or reversed the disease in nearly all patients receiving it.
- Physics
Identity Check: Elusive neutrinos morph on Earth, as in space
Strengthening a challenge to the prevailing theory of particle physics, measurements of elusive particles called antineutrinos from nuclear reactors suggest that no neutrino types, be they matter or antimatter, have stable identities.
- Health & Medicine
Visionary science for the intestine
A tiny disposable flash camera that a person swallows can detect problems in the small intestine.
- Health & Medicine
Bone scan reveals estrogen effects
Using a scanning technology called microcomputerized tomography, scientists have a new way to look at the difference between bone exposed to estrogen and bone deprived of it.
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19167
Just because chemical equipment can measure parts per trillion doesn’t necessarily mean that they have any biological significance. If you took one pill of Tylenol and dissolved in an olympic-size swimming pool, that would roughly be 1 part per billion. One part per trillion would be one pill in 1,000 swimming pools. My point is […]
- Humans
From the June 14, 1930, issue
1,500,000,000 YEARS OF LIFE PORTRAYED IN GREAT HALL OF PAINTINGS Fifteen hundred million years of life on this planet will be unrolled as a single connected epic in a series of three majestic new halls planned for the Field Museum of Natural History in Chicago. Fossils, rocks, mounted plant and animal specimens, paintings, and statuary […]
- Earth
Disaster Pix
If you’re one of those people who need to see the extent of intense weather events and great natural disasters–preferably as they are developing–this Web site is for you. Satellite images, provided by the National Oceanic and Atmospheric Administration’s Operational Significant Event Imagery division, portray hurricanes, dust storms, snowfall, forest fires, volcanic plumes, and much […]
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- Health & Medicine
Imaging Parkinson’s
A new brain-imaging technique can supply proof of Parkinson's disease in people whose symptoms fall short of the standard definition of the disease.
