What happened to all of the universe’s antimatter? Can a particle be its own anti-particle? And how do you build an experiment to find out? In this program, particle physicists …

Mathematical mysteries have challenged humanity’s most powerful thinkers and inspired passionate, lifelong obsessions in search of answers. From the strangeness of prime numbers and the nature of infinity, to the turbulent flow of fluids and the geometry of hyperspace, mathematics is our most potent tool for revealing immutable truths.

The first electron microscopes enabled scientists to finally view the nanoworld. But because of limitations in the microscope’s lenses, achieving sharp images of individual atoms was not possible. For 60 …

Evolutionary paleogeneticist Beth Shapiro travels to the cold reaches of the world to find DNA samples of long extinct animals, such as mastodons and saber-toothed tigers. She hopes to learn …

So you thought nobody could know what you’re thinking? Well, you’re right. For now. But fMRI brain research, identifying patterns linked to thoughts, is moving forward at a pace that’s surprising even experts.

Does your dog really think and feel like a human? Do our closest primate relatives have brains and emotions similar to ours? What about the storied intelligence of dolphins and singing humpback whales? And do other species hold surprises for us if we’re willing to look closely?