It’s almost impossible to imagine a world without words. But in this hour, we try to do just that.
Stories of unintended consequences -- from a psychologist who may have helped create a terrorist, to a toxic lake that spawned new life.
Lies, liars, and lie catchers. And the strange power of lying to yourself.
Say hello to the growth that killed Ulysses S. Grant, & get to know the woman whose cancer cells changed modern medicine.
A journey to the edge of human limits -- from a bike race that makes the Tour de France look like child’s play, to a mind-stretching memory competition.
Chimps. Bonobos. Humans. We're all great apes, but that doesn’t mean we’re one happy family.
Communicating across species -- from bringing pets to church, to a rescued whale that may have found a way to say thanks.
The healing powers of belief, from the symbolic power of the doctor coat, to the very real stash of opium in your brain.
Love 'em or hate 'em, you rely on numbers every day. We ask how they confuse us, connect us, & even reveal secrets about us.