Researchers model unihemispheric sleep in humans

Some animals, such as birds, dolphins, and whales, can engage in unihemispheric sleep, in which one hemisphere of the brain sleeps while the other hemisphere remains awake. Staying half-awake allows animals to literally "keep ...

The reasons for hemispheric dominance in the brain

The left and the right hemispheres specialise in different tasks. However, it has not yet been fully understood how one hemisphere assumes dominance over the other when it comes to controlling specific functions. Biopsychologists ...

Researchers find that some guppies can count

The humble guppy may not look like the smartest fish in the school, but research conducted by Associate Professor Culum Brown, from the Department of Biological Sciences at Macquarie University, and colleagues from the University ...

Bats use both sides of brain to listen—just like humans

Researchers from Georgetown University Medical Center and American University have shown that, like humans, mustached bats use the left and right sides of their brains to process different aspects of sounds. Aside from humans, ...

Brainy courage of the rainbowfish

The boldest black-lined rainbowfish are those that are born in the wild. Also more fearless are those that analyze information both sides of their brains. This is the conclusion of Australian researchers Culum Brown and Anne-Laurence ...

Dead southern right whale excites scientists

A rare southern right whale covered in what appear to be shark bites has washed up on an Australian beach, exciting scientists who Thursday said it will help boost knowledge of the species.

Dwarf whale survived well into Ice Age

Research from New Zealand's University of Otago detailing the fossil of a dwarf baleen whale from Northern California reveals that it avoided extinction far longer than previously thought.

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