Scientists found that evolution led bird and mammal brains to evolve separately, using different genetic instructions.

“We don’t have a precise definition of a brain,” he said. Scientists home in on the brain’s evolutionary origins by sorting out the animals without brains. Sponges have no neurons, so they are easy to ...

An elephant's brain is four times heavier than a human's. But as a percentage of its body mass it ranks at the bottom. The data used in the video is from UCLA Statistics and the images are from ...

It's not unusual for animals like ... shed up to 18 percent of its weight as the temperature drops – a shocking reduction that includes more than a quarter of its brain's mass – only to ...

Neuroscientist Kamilla Souza is bringing the study of whale and dolphin brains to her home country of Brazil. Now there's a ...

It is a type of salamander that can regenerate multiple body parts including its limbs ... terms of brain functionality. They are incredibly intelligent – they are the smartest animals on ...

Brain Game is a competition ... Then, during the race, the tiny animal was stumped when it could not cross a huge river. However, the rat eventually used its cunning to persuade the ox to let ...