Through the Wormhole with Morgan Freeman

If you had less than one second to make a life-or-death decision to shoot a man who might be armed with a lethal weapon, science shows that Americans -- black and white -- are more likely to mistakenly shoot a black man than a white man. Why?

We move around in space, but we are stuck in a prison of time moving ever forwards. Is our experience of the ticking clock merely a trick of the mind? Could science ever make the clock move backwards?

Evolution tells us that all life exists for one purpose: to reproduce. But is that all there is? How could such a simple imperative lead us to create great civilizations? A new theory suggests that instead of passing on genes, we have another purpose.

Our universe seems real. But what if it's a videogame? If you thought The Matrix was only a farfetched movie fantasy, think again. Scientists in a variety of fields are taking seriously the possibility that we live in a virtual reality.

Odds are excellent that extraterrestrial life exists. So why haven't we found aliens out in the galaxy? Are we looking in the wrong places? New research shows we should look closer to home, even inside our bodies.

Are our brains wired for lying from a young age? The brains of pathological liars may provide insights. Will technology make it easier for us to be dishonest, or could it someday instantly reveal someone is lying?