1,411 results
1,411 results for: Whales
- Life
Supreme Court lifts restriction on Navy sonar testing
Justices overturn restrictions that require Navy to stop using sonar when marine mammals are within 2,200 yards of vessels.
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Letters
Tobacco for adults, cocoa for kids I was interested in the report of cacao-beverage use by people of Chaco Canyon in New Mexico as early as A.D. 1000 (“Hot chocolate, with foam please,” SN: 2/28/09, p. 14). In the late ’50s, I and others at the Philip Morris Research Center looked at pipe samples from […]
- Earth
Exxon Valdez 20 Years Later
March 24 marked the 20th anniversary of the Exxon Valdez oil spill. The effects are still obvious today. A series of blogs from senior editor Janet Raloff describes the continuing aftermath.
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Letters
A climate tipping point In Janet Raloff’s article “Forest invades tundra” (SN: 7/5/08, p. 26), there seems to be a paradox. Raloff says that the albedo from normal snow coverage of the tundra “helps maintain the region’s chilly temperatures,” implying that the coverage also preserves the mats of plant matter. A little later in the […]
- Health & Medicine
Genome 10K: A new ark
Featured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus.
- Paleontology
Whales started small
The ancestors of whales, some of which are the largest creatures ever to evolve, probably were mammals no larger than a fox.
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- Animals
Sonar causes rock-concert effect in dolphins
Test of recorded sonar causes temporary hearing impairment in dolphins.
- Humans
Otters and oil: Problems remain
The behavior of Alaska's southern sea otters may unwittingly expose them to toxic oil-spill residues.
- Ecosystems
Marine census: Surprising number of creatures bipolar
Census of Marine Life offers a preview of massive international census gives fuller count, shows some sea species at both poles.
- Animals
Whales Drink Sounds: Hearing may use an ancient path
Sounds can travel to a whale's ears through its throat, an acoustic pathway that might be ancient in the whale lineage.
- 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.
