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  • When Albert Met Mileva show

    When Albert Met Mileva

    On his first day at Zürich Polytechnic, Albert makes the acquaintance of an intense and independent young woman, and the only...

    (02:17)
  • Sex Myths show

    Sex Myths

    A lack of medically accurate sex ed classes in the U.S. leads to some shocking myths about sex.

    (01:46)
  • Time Is But a Stubborn Illusion show

    Time Is But a Stubborn Illusion

    Watch an exclusive sneak peek from the first episode of Genius, starring Geoffrey Rush as the older Einstein and Johnny Flynn...

    (04:19)
  • The Hot Zone Trailer show

    The Hot Zone Trailer

    (02:18)
  • Hear Me Roar show

    Hear Me Roar

    The lion produces a powerful roar thanks to an adaptable voice box.

    (02:31)
  • Giant Crystal Cave show

    Giant Crystal Cave

    A team international scientists unlock the secrets of a deadly cave filled with giant crystals.

    (00:36)
  • Mozart Helps Me Think show

    Mozart Helps Me Think

    Mileva and Albert clash over their different approaches to completing a physics assignment.

    (02:34)
  • Fuel Tank Rupture? show

    Fuel Tank Rupture?

    During takeoff, a Concorde jet bursts into flames and crashes; investigators rush to the scene to put together the puzzle of...

    (03:00)
  • Civilization Unearthed show

    Civilization Unearthed

    (02:19)
  • The Sweater Cowboy show

    The Sweater Cowboy

    Randy Guijarro takes his photograph to tintype expert Will Dunniway for his evaluation.

    (01:43)
  • The Hot Zone Teaser show

    The Hot Zone Teaser

    (00:30)
  • Killer Ostrich show

    Killer Ostrich

    While the ostrich may seem like a comical bird, it is actually responsible for quite a few deaths in Africa.

    (01:27)
  • Free Solo Trailer show

    Free Solo Trailer

    A stunning, intimate and unflinching portrait of free solo climber Alex Honnold, as he prepares to achieve his lifelong dream:...

    (02:22)
  • Sex Scandals in France show

    Sex Scandals in France

    Compared to Americans, French attitudes about presidential sex scandals appear downright laissez-faire.

    (01:56)
  • Hostile Planet Promo show

    Hostile Planet Promo

    (00:47)
  • The African Lungfish show

    The African Lungfish

    The lungfish has the remarkable capacity to survive even as the Congo River's waters turn to mud.

    (02:26)
  • Britain's Worst Air Crash show

    Britain's Worst Air Crash

    With no cockpit voice recorder on board, investigators must rely on a reconstruction of a plane to determine what caused...

    (02:39)
  • Florida Bound Manatee show

    Florida Bound Manatee

    Junebug the manatee is being transferred for her big move to Florida waters.

    (02:11)
  • Before Death Camps show

    Before Death Camps

    Before the death camps were the killing fields -- mass graves of executed men, women and children.

    (03:18)
  • Birth of the Vibrator show

    Birth of the Vibrator

    Experts like Dr. Drew reveal the invention of the vibrator, which originally served as a cure for "hysteria" in Victorian Era...

    (02:19)