1,410 results
1,410 results for: Whales
- 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.
- Animals
Too Few Jaws: Shark declines let rays overgraze scallops
A shortage of big sharks on the U.S. East Coast is letting their prey flourish, and that prey is going hog wild, demolishing bay scallop populations.
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Whale Songs
Listen to the songs of whales and the sounds of the ocean near Maui, Hawaii. The Whalesong Project is the effort of a group of volunteers to bring attention to the beauty of oceans and the wonder of whales and dolphins. Go to: http://www.whalesong.net/
- Ecosystems
Worthless waters
The biological riches of the oceans will be spent within decades if current trends continue.
- Earth
When a Shot Is Not: PCBs may impair vaccine-induced immunity
Exposure to certain pollutants early in life may do lasting harm to the immune system by blocking its response to vaccinations.
- Animals
Getting the Gull: Baiting trick spreads among killer whales
A young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission.
- Animals
Can You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
- Earth
Species-aid budget looks fishy
State and federal governments spent $1.4 billion in 2004 on conserving endangered and threatened species, with one-third of that sum going to protect fish.
- Animals
Baited camera snaps first live giant squid
For the first time, researchers have photographed a living giant squid in the wild.
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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.
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19565
Why should the whale study lead scientists to “change the way we view sleep”? Among whales, the priority is that babies not drown in the first weeks of life. Maturational processes thought to occur during sleep, such as brain development, might have to be put on hold while this critical lesson is learned. Our neonatal […]
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
