Sleep looks peaceful on the outside, but inside the brain, it is anything but ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

All the Latest Game Footage and Images from Lizard Brain Lizard Brain is a game that challenges your memory and puzzle solving skills. Navigate a lethal maze by remembering the correct path before the ...

Reptiles have been dismissed for decades as cold-blooded, emotionless creatures, often viewed as primitive and instinct-driven. But new research is turning that stereotype on its head. A growing body ...