It long seemed as if African elephants were the champions of the all-nighter. They can get by on about two hours of sleep. Other mammals need much more, like koalas (20 hours) or you (at least seven ...
For the first time, scientists have recorded brain activity in a free-ranging, wild marine mammal, revealing the sleep habits of elephant seals during the months they spend at sea. The new findings, ...
Elephant seals drift downwards in a "sleep spiral" when deep diving in the ocean, a new study found. Sleeping while deep diving allows the seals to avoid predators, scientists believe. The scientists ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Northern elephant ...
The African bush elephant holds the world record for the mammal that clocks the fewest hours of sleep per night, dozing off in bursts that together add up to just two hours. But now, scientists have ...
The coldest oceans are home to some of the most valuable information about the future of the planet, but many parts of those oceans have been largely inaccessible for thorough study. But now, the ...
Baby Elephant 'Taking Swim Lessons' at Oregon Zoo Is Stealing Hearts Everywhere originally appeared on PetHelpful. Baby elephant Tula-Tu has been stealing people's hearts from the start. The Oregon ...
The relationship between oceanographic conditions and predator population dynamics is a complex but critical area of study in understanding marine ecosystems. In particular, the northern elephant seal ...
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