1,419 results
1,419 results for: Whales
- Space
European Planetary Science Conference and AAS Division for Planetary Sciences
News from a joint conference held October 2-7 in Nantes, France.
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19608
Humans vocalize primarily non-harmonically (talk), but some can also vocalize harmonically (sing). Birds, likewise, mostly vocalize non-harmonically (chatter), but some can vocalize harmonically. It would be most helpful, when discussing birds, mice, and whale “songs,” if scientists would clarify whether they mean non-harmonic or harmonic vocalizations. Peter WilsonSimi Valley, Calif.
- Earth
Oceanographers with flippers
Tracking seal dives off Antarctica reveals seafloor troughs that affect ocean circulation.
- Humans
Noise is what ails beaked whales
Large-scale experiments reveal a sensitivity to sonar, apparently at lower levels than other species.
- Life
Penguin declines may come down to krill
Lack of food appears to be hurting birds on the Antarctic Peninsula.
- Life
Ocean’s gazillion
A picture of past ocean life suggests a higher capacity for marine life than what modern habitats host.
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Sperm whales as a carbon sink
New estimates suggest the mammals’ feeding habits help take in carbon.
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19287
This article refers to “Japanese research-whaling ships” that “capture” whales. Reputable scientists and environmentalists agree that the Japanese whaling industry operates primarily for slaughter, not research, in violation of antiwhaling treaties respected by virtually all nations. Science News shouldn’t use the propaganda terms favored by those who would drive cetaceans to extinction. Ken PaffDetroit, Mich.
- Animals
Time to revise right whales’ family tree?
A statistical analysis of DNA from nearly 400 right whales around the world suggests there may be three species of Eubalena, not just two—a conclusion that may boost conservation efforts.
- Anthropology
Chimps grasp at social identities
Researchers contend that neighboring communities of wild chimpanzees develop distinctive styles of mutual grooming to identify fellow group members and foster social solidarity.
- Math
A Grove of Evolutionary Trees
"Trees of life" show patterns of evolutionary descent, and they fit together mathematically to form an abstract forest.
- Animals
That’s One Weird Tooth
The narwhal's distinctive spiral tusk has structures that could make it phenomenally sensitive, raising new questions about its functions.
