814 results
814 results for: Sharks
- Humans
Letters from the April 23, 2005, issue of Science News
The shark as red herring I’m sure you published “A Fishy Therapy,” (SN: 3/5/05, p. 154) in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a […]
- Health & Medicine
Highlights from annual meeting of infectious disease specialists
Heartburn pills increase risk of pneumonia, a better catheter and more were presented October 2-6, 2013 at ID Week in San Francisco.
- Life
Parenthood: Male sharks need not apply
A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.
- Animals
Dolphins wield tools of the sea
A long-term study of dolphins living off Australia’s coast finds that a small number of them, mostly females, frequently use sea sponges to forage for fish on the ocean floor.
- Animals
Basking sharks head south for winter
Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.
- Paleontology
Ancient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
- Health & Medicine
Open Water, Open Mouths: Scuba divers face infection risks
A new study takes a stab at quantifying the risks that waterborne bacteria and viruses pose to scuba divers.
- Animals
Seabirds take record summer vacations
Sooty shearwaters that breed in New Zealand have set a new record for off-season travel, covering 64,000 kilometers between visits to their mating ground.
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- Math
Cells take on traveling salesman problem
With neither minds nor maps- chemical-sensing immune players do well with decades-old mathematical problem, a computer simulation reveals.
- Ecosystems
Predators return
Warming waters could push new predators into Antarctica's delicate ecosystems.
- Animals
Great spots for white sharks
The great white sharks of the eastern Pacific may be genetically isolated from the world's other white sharks, and tagging data reveal that the animals stick to specific routes and destinations.
