The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

Where will astronauts live when they land on Mars? That’s the problem @NASA_Marshall engineer Erick Ordoñez helps to solve through 3D printing in his Cool Job. Episode filmed live at …

The prestigious biennial Kavli Prizes recognize scientists for major advances in three research areas: astrophysics, nanoscience and neuroscience—the big, the small and the complex. The 2014 winners, sharing a $1 million award in each field, will be announced live via satellite from the Norwegian Academy of Science and Letters in Oslo.

Meet Dr. Nora Volkow, whose research on drugs and the brain helped us understand addiction as a disease. Nora Volkow is the director of the National Institute on Drug Abuse. …

Paralyzed patients are starting to walk with the aid of exoskeletons and doctors are testing artificial retinas in the blind thanks to neuroprosthetics: surgical brain implants that restore some function …

Stuntman and special effects coordinator Steve Wolf shows how actors can fall from a 20-story building without injury and how houses can be set ablaze safely in movies…all through science. …