• NOVA -- S42 Ep11: Lethal Seas Preview
    S42 Ep11: Lethal Seas Preview
    A unique coral garden in Papua New Guinea shows what the future may hold as ...
    0:00:30
  • NOVA -- S42: Invisible Universe Revealed Preview
    S42: Invisible Universe Revealed Preview
    Follow the historic rescue of Hubble—the space telescope that unveiled the ...
    0:00:30
  • NOVA -- S42 Ep4: Hagia Sophia: Istanbul's Mystery Preview
    S42 Ep4: Hagia Sophia: Istanbul's ...
    How has this unique structure, built on a seismic fault, survived centuries of ...
    0:00:30
  • NOVA -- S42 Ep7: The Great Math Mystery Preview
    S42 Ep7: The Great Math Mystery Preview
    Is math invented by humans, or is it the language of the universe? Airing April ...
    0:00:30
  • NOVA -- S42 Ep5: Petra: Lost City of Stone Preview
    S42 Ep5: Petra: Lost City of Stone ...
    How did early engineers carve tombs into rock cliffs and funnel water to this ...
    0:00:30
  • NOVA -- S42 Ep6: Colosseum: Roman Death Trap Preview
    S42 Ep6: Colosseum: Roman Death Trap ...
    1500 years ago, how did the Romans engineer bloody spectacles and reenact sea ...
    0:00:30
  • NOVA -- S42 Ep3: Sinkholes—Buried Alive Preview
    S42 Ep3: Sinkholes—Buried Alive ...
    The catastrophic collapse of the ground beneath our feet is a growing worldwide ...
    0:00:31
  • NOVA -- S42 Ep2: Sunken Ship Rescue Preview
    S42 Ep2: Sunken Ship Rescue Preview
    A team of 500 engineers and divers struggle to raise the Costa Concordia cruise ...
    0:00:30
  • NOVA -- S42 Ep1: Big Bang Machine Preview
    S42 Ep1: Big Bang Machine Preview
    Explore the deepest mysteries of the early universe and the quest to find the ...
    0:00:30
  • NOVA -- S41 Ep22: First Man on the Moon Preview
    S41 Ep22: First Man on the Moon Preview
    He risked his life for the nation and became a world icon, but who was Neil ...
    0:00:30
  • NOVA -- S41 Ep21: Killer Landslides Preview
    S41 Ep21: Killer Landslides Preview
    Explore the forces behind deadly landslides—and the danger zones for the next ...
  • NOVA -- S41 Ep23: Surviving Ebola Preview
    S41 Ep23: Surviving Ebola Preview
    As the epidemic threatens to spiral out of control, scientists race to find a ...
    0:00:30
  • NOVA -- S41 Ep20: Emperor's Ghost Army Preview
    S41 Ep20: Emperor's Ghost Army Preview
    Explore the buried clay warriors, chariots, and bronze weapons of China’s ...
    0:00:30
  • NOVA -- S41 Ep19: Bigger Than T. rex Preview
    S41 Ep19: Bigger Than T. rex Preview
    Meet Spinosaurus—the lost killer of the Cretaceous and the world’s larger ...
    0:00:30
  • NOVA -- S41 Ep17: Ben Franklin's Balloons Preview
    S41 Ep17: Ben Franklin's Balloons ...
    Experts recreate the French’s daring first manned flights, which Franklin had ...
    0:00:30
  • NOVA -- S41 Ep18: First Air War Preview
    S41 Ep18: First Air War Preview
    How did fighter planes evolve from rickety biplanes to deadly machines during ...
    0:00:30
  • NOVA -- S41 Ep15: Rise of the Hackers Preview
    S41 Ep15: Rise of the Hackers Preview
    A new global geek squad is harnessing cryptography to stay a step ahead of ...
    0:00:30
  • NOVA -- S41 Ep16: Why Planes Vanish Preview
    S41 Ep16: Why Planes Vanish Preview
    Can new technology prevent aircraft like Flight MH370 from disappearing without ...
    0:01:16
  • NOVA -- S41 Ep14: Vaccines—Calling the Shots Short Preview
    S41 Ep14: Vaccines—Calling the Shots ...
    Examine the science behind vaccinations, the return of preventable diseases, and ...
    0:00:20
  • NOVA -- S41 Ep14: Vaccines—Calling the Shots Preview
    S41 Ep14: Vaccines—Calling the Shots ...
    Examine the science behind vaccinations, the return of preventable diseases, and ...
    0:00:30
  • NOVA -- S41 Ep13: D-Day's Sunken Secrets Preview
    S41 Ep13: D-Day's Sunken Secrets Preview
    Dive teams, submersibles, and robots explore a massive underwater WWII ...
    0:00:41