The Arctic Jet Stream Affects Global Climate. Here's Why.

Extras

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  Flight Turbulence Is Actually Getting Worse

  It’s not all in your head - flights really are bumpier these days.

  1:48
• 

  Hunt for the Oldest DNA: Extended Version

  Follow the quest to recover DNA millions of years old for the very first time.

  1:24:39
• 

  Lost Tombs of Notre Dame Preview

  Mysterious bodies are found under one of the world’s most famous cathedrals.

  0:30
• 

  Building Stuff: Change It! Preview

  From electric flight to artificial noses, engineers are finding new ways to preserve our planet.

  0:30
• 

  Creating a Robotic Double Dutch Machine

  Blending innovation and culture, engineers bring a robotic Double Dutch machine to life.

  5:08
• 

  Building Stuff: Reach It! Preview

  Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.

  0:30
• 

  Could Mars Have a Ring Around It One Day?

  The moon Phobos has a mysterious origin but a certain expiration date.

  2:16
• 

  Cameras Capture Earthbound Meteorite

  Some large meteorites survive their descent through our atmosphere and land on Earth.

  1:39
• 

  This Moon May Have the Ingredients for Life

  The ocean beneath Europa’s icy shell might be an ideal environment for life.

  2:14
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  Could This Icy Moon’s Ocean Support Life?

  Hydrothermal vents in Enceladus’ ocean may hold the promise of life.

  1:21