Do all animals sleep?

"Nothing is certain except for death and taxes," said Benjamin Franklin. Of course, he left out another certainty for humankind: sleep. All humans sleep, albeit some better than others. But do all animals sleep, too?

Monkeys experience the visual world the same way people do

When humans look out at a visual landscape like a sunset or a beautiful overlook, we experience something—we have a conscious awareness of what that scene looks like. This awareness of the visual world around us is central ...

Modelling human psychology

A human being's psychological make-up depends on an array of emotional and motivational parameters, such as desire, suffering or the need for security. In addition, it includes spatial and temporal dimensions that also play ...