Uncategorized
- Health & Medicine
Going against the Grain: Aspirin use linked to pancreatic cancer
Scientists have associated aspirin use with cancer of the pancreas.
- Tech
Flashy Transistors: Electronic workhorses also shed light
Researchers have discovered that the transistor can emit light, a yet-untapped talent.
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Neural Road to Repression: Brain may block out undesired memories
Specific brain structures work together to allow people to repress certain memories intentionally.
- Chemistry
Moonlighting: Reflective protein causes squid to shimmer
Squid can manipulate light in amazing ways to camouflage themselves at night, and researchers have unveiled a bizarre set of reflective proteins in the animals' tissues that underlie this trait.
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19369
Your article gives American beef eaters a false sense of security. Yes, only 1 cow out of the 20,000 tested has been discovered to have bovine spongiform encephalopathy (BSE). However, over 35 million cows were slaughtered in the United States last year, meaning that only 0.06 percent of all cows slaughtered were tested for BSE. […]
- Humans
Cow Madness: Disease’s U.S. emergence highlights role of feed ban
The threat of mad cow disease to both people and animals in the U.S. remains low, as long as government regulations designed to prevent the disease's spread are enforced, risk analysts say.
- Astronomy
Taste of a Comet: Spacecraft samples and views Wild 2
Pummeled by debris, a NASA spacecraft last week snatched up dust samples while taking the sharpest images ever of a comet's icy core.
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- Earth
When testosterone gets down and dirty
Testosterone excreted by livestock can pass through soils, which may explain new findings of fish-altering hormonal activity in water downstream of cattle feedlots.
- Astronomy
X-ray images highlight galaxy collisions
A new study provides graphic evidence that X-ray observations may be the best way to identify ancient collisions between galaxies.
- Health & Medicine
SARS vaccine triggers immunity in monkeys
An experimental vaccine against the SARS virus shows promise in a test on monkeys.
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19365
I do not know about the rest of your readers, but I do “hear” at least some low frequency sounds, but not with my ears. The nerves in my feet feel these vibrations and my brain parses the sounds to my flight-or-fright processor before I can process any conscious perception. Ray BryanSt. Paul, Minn.
