Maybe — just don't expect a carbon copy.

Getting drunk might be bad for you but good for us.

In this excerpt from "When Everyone Knows That Everyone Knows...," Steven Pinker examines how crying may have evolved as part of a suite of emotional expressions aimed at strengthening social bonds.

Questions about our origins, biologically, chemically, and cosmically, are the most profound ones we can ask. Here are today's best answers.

"For many people, the idea that consciousness is a set of tricks is offensive," the late philosopher told Big Think in 2012. "I think that's a prime mistake."

Our Earthbound definitions of life could leave us blind to the Universe’s strangest forms.