454 results
454 results for: Dolphins
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- Life
Help, elephants need somebody
In pull-together tests, pachyderms are on par with chimps in understanding the basics of cooperation.
- 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.
- Health & Medicine
Rare neurons found in monkeys’ brains
Cells linked to empathy and consciousness in primates may offer clues to human self-awareness.
- Math
Test decodes dolphins’ math skills
Dolphins could use mental math to locate prey in clouds of bubbles.
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Dolphins may seek selves in mirror images
Dolphins apparently recognize their own reflections.
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How whales, dolphins, seals dive so deep
The blue whale, bottlenose dolphin, Weddell seal, and elephant seal cut diving energy costs 10 to 50 percent by simply gliding downward.
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Dolphins bray when chasing down a fish
The first high-resolution analysis of which dolphin is making which sound suggests that hunters blurt out a low-frequency, donkeylike sound that may startle prey into freezing for an instant or attract other dolphins.
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Brains show evolutionary designs
Mammal species exhibit basic types of brain design from which they have evolved a wide array of brain sizes, according to a new analysis.
- Paleontology
Study picks new site for dinosaur nostrils
A new analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face, a concept that may change scientists' views of the animals' physiology and behavior.
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River dolphins can whistle, too, sort of
In the most elaborate attempt so far to eavesdrop on Brazil's pink river dolphins, researchers have detected what may be a counterpart to seafaring dolphins' whistles.
- Animals
Even deep down, the right whales don’t sink
A right whale may weigh some 70 tons, but unlike other marine mammals studied so far, it tends to float rather than sink at great depths.
