Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

“The animals are amazing. I mean, everything they do is extreme,” said Daniel Costa, professor of ecology and evolutionary biology at UC Santa Cruz. “They’re the deepest-diving pinniped and they dive ...

Elephant seals are huge, gray and blubbery. They have a big snout and a very distinctive voice. (SOUNDBITE OF ELEPHANT SEAL GRUNTING) SUMMERS: But despite the obvious differences, elephant seals ...

The first seven cases of avian influenza were confirmed by preliminary testing at UC Davis and confirmatory testing by the ...