His famous line, "I think, therefore I am," is one of the few philosophical lines that has actually escaped the classroom.

Cogoti, ergo sum. I think, therefore I am—this is the famous dictum that French philosopher René Descartes used to argue for proof of his own existence (even in the face of somewhat absurd levels of ...

Consciousness has long been the third rail of biology: Touch it — and maybe you don’t die, but you are unlikely to get tenure. It helps, of course, if you are a Nobel laureate, such as Francis Crick ...