5,114 results
5,114 results for: seek
- Tech
Quantum dots light up cancer cells in mice
Brightly fluorescent crystals known as quantum dots have the potential to seek out cancerous cells in the body, a trick that could lead to highly precise cancer screening.
- Health & Medicine
Memory may draw addicts back to cocaine
The hippocampus may be the seat of powerful cravings for cocaine in rats and play a key role in drug-addiction relapse.
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Anticancer Protein Locks onto DNA
The protein encoded by the normal form of BRCA1 attaches to DNA directly, seeks out unusual DNA structures, and joins multiple DNA strands together—all activities suggesting a direct role in DNA repair.
- Earth
Salmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.
- Earth
Global Warming Debate Gets Hotter
President Bush gets the global warming report he commissioned just days before he meets with European leaders.
- 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.
- Ecosystems
Streamers could save birds from hooks
A test on active longline fishing boats finds that an inexpensive array of streamers can reduce accidental deaths of seabirds by more than 90 percent.
