Alan Alda has issued this year’s challenge to the world’s top scientists: What is sound? In an action-packed hour of interactive demonstrations, Alan and a team of communication experts invite the audience to explore what we hear, how we hear, and what that means for different species.

Lemurs, capuchin monkeys, and macaques help cognitive psychologist Laurie Santos understand how we think and are able to use tools, do math, and perform other tasks that make us human. …

A century after Einstein’s mathematics suggested the possibility of black holes, the Event Horizon Telescope (EHT) is finally observing them. The project’s latest achievement is the first image of 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 …

Proposed a century ago to better explain the mind-bending behavior of the smallest constituents of the universe, quantum theory has implications far beyond the atom. This rich set of laws has applications both practical and extraordinary.

Food scientist Amanda Kinchla’s innovation happens in the lab…and in the kitchen as she uses science to create new and nutritional foods and food safety solutions. Episode filmed live at …