Search Results for: Sharks
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815 results for: Sharks
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HumansGood Gone Wild
New research shows that the ecotourism model of raising conservation awareness while protecting indigenous cultures doesn't always work out as planned.
By Eric Jaffe -
AnimalsWhy Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
By Susan Milius -
AnimalsWhat’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.
By Susan Milius -
EcosystemsNo Way to Make Soup—Thirty-two tons of contraband shark fins seized on the high seas
Something looked suspicious. This former swordfishing vessel, out of Honolulu, was clearly heavy with cargo when discovered by U.S. law-enforcement officials 350 miles off of Acapulco, on Aug. 13. A boarding team found no fishing–just shark fins. However, under a new federal law, transporting fins collected by another fishing vessel constitutes illegal “fishing.” US Coast […]
By Janet Raloff -
EcosystemsState of U.S. Agro-ecosystems
About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]
By Janet Raloff -
EarthMercurial Effects of Fish-Rich Diets
In the spring of 2000, one of Jane M. Hightower’s patients had been concerned about hair loss, so the internist referred the woman to a specialist in her building. That dermatologist probed the woman’s medical history but could find no explanation. That is, until she suddenly recalled a radio broadcast about mercury poisoning in people […]
By Janet Raloff -
Health & MedicineFishy Advice—Which Tuna Is Best for You?
Canned light tuna is a good choice for people who want to lower their intake of mercury.
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Health & MedicineSeeing Red and Finding Fraudulent Fish
The sale of falsely labeled fish has implications for health, nutrition, and the environment.
By Janet Raloff -
Health & MedicineShark Finning Faces Broader Sanctions
Even as the gruesome practice of shark finning faces a broader ban, regulators find challenges in bringing scofflaws to justice.
By Janet Raloff -
AnimalsThe mystery of the missing fish heads
When scientists opened up the stomachs of shortfin mako sharks, they found that nearly all of the digesting fish had no heads or tails.
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AnimalsSpotted seals hear well in and out of water
Spotted seals, native to the northern parts of the Pacific, hear frequencies that may mean they are susceptible to the effects of anthropogenic noise.
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AnimalsSponge 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.
By Susan Milius