779 results
779 results for: Sharks
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Stranded: A whale of a mystery
Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach.
- Animals
Do flies eat their sibs before birth?
A tiny fly that parasitizes cicadas could be the first insect species that's recognized to practice prenatal cannibalism.
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Jelly Propulsion
Jellyfish have been swimming the seas for at least 550 million years, and research is now revealing how the challenges of moving in fluid have shaped the creatures' evolution.
- Animals
What’s Going on Down There?
In a 10-year, global effort, researchers exploring the unknowns of marine life have found bizarre fish, living-fossil shrimp, giant microbes, and a lot of other new neighbors.
- Animals
Why Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
- 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.
- 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
Sponge Moms: Dolphins learn tool use from their mothers
Dolphins that carry sponges on their beaks while looking for food may have learned the trick from their mothers instead of just inheriting a sponge-use gene.
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Animal Skulls
High school biology teacher DeLoy Roberts and his students have, over the years, assembled a large collection of animal skulls. This Web site provides dramatic images of the skulls, ranging, for example, from the armadillo to the wood rat among the mammals. Various birds, fish, sharks, reptiles, amphibians, and crustaceans are also represented. Go to: […]
- Health & Medicine
Shark Finning Faces Broader Sanctions
Even as the gruesome practice of shark finning faces a broader ban, regulators find challenges in bringing scofflaws to justice.
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
- Ecosystems
Empty Nets
New research has begun challenging long-held assumptions about the consequences for fish stocks of harvesting the biggest fish first.
