5,114 results
5,114 results for: seek
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19707
Scientists seek environments that are weightless, near-perfect vacuums in which to conduct experiments. If genuine cloaking were achieved, I would expect there would be a host of experiments that might be conducted in “perfect darkness”—environments free of various energy wavelengths. Bernard RiceHinsdale, Ill.
- Animals
Many fish run on empty
Many fish eat all the time, while some others spend their days going from brief feast to lengthy famine.
- Health & Medicine
Making Bone: Novel form of vitamin D builds up rat skeleton
A newly synthesized form of Vitamin D induces bone-making cells to capture calcium and fortify bone mass in rats, suggesting it might work against osteoporosis in people.
- Animals
Upside Way Down: Video turns fish story on its head
The first video of whipnose anglerfish reveals them swimming upside down and trolling for prey on the 5,000-meter deep ocean floor.
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The Brain’s Funny Bone: Seinfeld, The Simpsons spark same nerve circuits
Brain scans of people watching sitcoms show that different brain regions spark with activity when a person initially gets a joke versus when he or she subsequently responds to its humor.
- Animals
Hawkmoths can still see colors at night
For the first time, scientists have found detailed evidence than an animal—a hawkmoth—can see color by starlight.
- 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.
- Humans
Science Revalued: Report seeks revived Smithsonian science
A long-awaited report on science at the Smithsonian Institution calls urgently for more funding and also recommends preservation of beseiged materials-research center.
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Heat-Seeking Missiles: Sperm may follow rising temperature to egg
In a process called thermotaxis, sperm cells may use a temperature gradient in the fallopian tubes to find their way to an unfertilized egg.
- Earth
Putting Whales to Work: Cetaceans provide cheap labor in the icy deep
Whales equipped with environmental sensors discover warm water beneath Arctic ice.
- Health & Medicine
Mixed Results: AIDS vaccine falters in whites, may help blacks
In its first large test, an AIDS vaccine has failed to shield an at-risk population from acquiring AIDS.
