For millennia, psychedelic substances have been used as sacraments, medicines, and tools to shift consciousness and expand the mind. Why have these compounds captivated humans for so long and how …

IBM’s Watson has the ability to make a diagnosis. Apps can track and monitor patient emergencies. Our phones may soon be our medical advisers. Preventive and diagnostic medicine is on the cusp of an AI revolution that will no doubt save lives.

Using brainwaves to send a Tweet, biomechanical engineer Adam Wilson demonstrates how neural prosthetic devices can allow people with motor disabilities to communicate with the outside world. Episode filmed live …

Can marching ants, schooling fish, and herding wildebeests teach us something about the morning commute? Robert Krulwich guides this unique melding of mathematics, physics, and behavioral science as Mitchell Joachim, Anna Nagurney and Iain Couzin examine the creative and sometimes counter intuitive solutions to one of the modern world’s most annoying problems.

Acknowledging the scientists who blazed intellectual trails before him, Isaac Newton wrote, “If I have seen a little further it was by standing on the shoulders of giants.” In this special annual series, we invite our audience to stand on the shoulders of a modern-day giant. This year, we are honored to present an address by a titan of physics, Barry Barish.

How does the brain retrieve memories, articulate words, and focus attention? Recent advances have provided a newfound ability to decipher, sharpen, and adjust electrical signals relevant to speech, attention, memory …