What does fear smell like? Love? Can we use scent to control behavior? Do humans really sense pheromones? What if you could diagnose diseases just by smelling them? And exactly how does our brain convert floating organic molecules into chemical signals that our brain processes as odor?

A self-driving car has a split second to decide whether to turn into oncoming traffic or hit a child who has lost control of her bicycle. An autonomous drone needs to decide whether to risk the lives of busload of civilians or lose a long-sought terrorist. How does a machine make an ethical decision?

Just a handful of technologies deserve to be called “game changers”—and CRISPR-Cas9, the new gene-editing tool, is one of them. Discovered just three years ago, CRISPR is sweeping through labs around the world and researchers are already using it to experiment on diseases.

Stephen Wolfram joins Brian Greene to explore the computational basis of space, time, general relativity, quantum mechanics, and reality itself. This program is part of the Big Ideas series, supported …

A renowned AI pioneer explores humanity’s possible futures in a world populated with ever more sophisticated mechanical minds. This program is part of the Big Ideas series, supported by the …

The World Science Festival’s Pioneers in Science program gives high school students from around the globe rare and intimate access to some of the world’s most renowned scientists in a …