Nearly every group has its extreme outliers. Where does fundamentalism come from? How does the most powerful organ in the known universe, the human brain, make emotionally driven decisions that …

How fast is the universe expanding? Two prominent approaches are finding different answers, propelling cosmology toward a crisis. Wendy Freedman, a renowned astronomer who has spent decades seeking the expansion …

A second doesn’t always feel like a second—time can seem to slow down if you’re riding a death-defying roller coaster, or speed up while you’re having a night out on the town. But just what’s going on inside our heads to skew our perception of time?

Brian Greene and Michael Levi discuss revolutionary observations that may upend our cosmological understanding. This program is part of the Big Ideas series, supported by the John Templeton Foundation.

This video is part of our Brilliant Breakthroughs series: our new 20-episode mini-series exploring the “Eureka!” moments and proud accomplishments of the greatest scientific minds of our time. Join us …

Your eyes and ears don’t tell you the truth. That’s not what they’re for. The senses evolved to enable us to survive and succeed in the world, not to represent …