Albert Einstein shattered previous ideas about time, but left many pivotal questions unanswered: Does time have a beginning? An end? Why does it move in only one direction? Is it real, or something our minds impose on reality?

#YourDailyEquation with Brian Greene offers brief and breezy discussions of the most pivotal equations of the ages. Even if your math is a bit rusty, these accessible and exciting stories …

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.

Actor Marlee Matlin joins groundbreaking researchers in deafness and for a wide-ranging discussion of cutting-edge research and how it will affect lives. Recent breakthroughs in vision and hearing mean many …

Have you ever wondered how your stomach knows when you’re full or how your eyes know when to release tears? 😭Your body is a message monster continually #communicating in rapid-fire …

Cosmology is the one field in which researchers can—literally—witness the past. The cosmic background radiation, ancient light streaming toward us since the Big Bang, provides a pristine window onto the birth and evolution of the universe.