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

A team of scientists explore the skies to learn how the Arctic atmosphere can have global implications.
Clip Season 48 Episode 13 Length 03:03 Premiere: 10/13/21

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Season 48 Episodes

Ancient Maya Metropolis
S48 E22 Length 53:31 Premiere Date 01/26/22

Alaskan Dinosaurs
S48 E21 Length 53:21 Premiere Date 01/19/22

Butterfly Blueprints
S48 E20 Length 53:20 Premiere Date 01/12/22

NOVA Universe Revealed: Big Bang
S48 E19 Length 53:16 Premiere Date 11/24/21

NOVA Universe Revealed: Black Holes
S48 E18 Length 53:16 Premiere Date 11/17/21

NOVA Universe Revealed: Alien Worlds
S48 E17 Length 53:17 Premiere Date 11/10/21

NOVA Universe Revealed: Milky Way
S48 E16 Length 53:17 Premiere Date 11/03/21

NOVA Universe Revealed: Age of Stars
S48 E15 Length 53:17 Premiere Date 10/27/21

Edible Insects
S48 E14 Length 53:28 Premiere Date 10/20/21

Arctic Drift
S48 E13 Length 53:31 Premiere Date 10/13/21

Particles Unknown
S48 E12 Length 53:28 Premiere Date 10/06/21

The Cannabis Question
S48 E11 Length 53:36 Premiere Date 09/29/21

Bat Superpowers
S48 E10 Length 53:13 Premiere Date 09/15/21

Ship That Changed the World
S48 E9 Length 53:12 Premiere Date 06/02/21

High-Risk High-Rise
S48 E8 Length 52:36 Premiere Date 01/05/22

Great Electric Airplane Race
S48 E7 Length 53:07 Premiere Date 05/26/21

Hindenburg: The New Evidence
S48 E6 Length 53:13 Premiere Date 05/19/21

Fighting for Fertility
S48 E5 Length 53:06 Premiere Date 05/12/21

Reef Rescue
S48 E4 Length 54:06 Premiere Date 04/21/21

Arctic Drift Preview
Preview Length 00:30 Premiere Date 10/13/21

The Arctic Jet Stream Affects Global Climate. Here's Why.
Clip Length 03:03 Premiere Date 10/13/21

MOSAiC Scientists Measure Arctic Sea Ice Volume
Clip Length 03:05 Premiere Date 10/13/21

GameStop, Reddit, and the Rise of Risky Trades
Clip Length 08:35 Premiere Date 04/27/21

Texas' Power Grid Trouble is Far From Over
Clip Length 08:23 Premiere Date 03/20/21

The Big Lie about Monarch Butterflies
Clip Length 09:25 Premiere Date 03/15/21

Origins of Misinformation and How it Spreads
Clip Length 05:47 Premiere Date 03/15/21

How Mask-Wearing Misinformation Became a Reality
Clip Length 05:38 Premiere Date 02/23/21

Dream Hacking: Decisions, Addictions, and Sleep
Clip Length 14:34 Premiere Date 02/18/21

Why Misinformation Matters
Clip Length 02:41 Premiere Date 02/11/21

Lingering Symptoms from COVID-19 are “Unprecedented”
Clip Length 05:05 Premiere Date 02/04/21

New COVID-19 Variants Spread More Easily
Clip Length 07:15 Premiere Date 02/04/21

This University Monitors COVID-19 Through Saliva Testing
Clip Length 06:53 Premiere Date 01/15/21

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Ancient Maya Metropolis - S48 E22

NOVA investigates why the ancient Maya abandoned the magnificent cities they had lived in for centuries.

  • Wednesday April 17, 2024 12:00 am ET on KETWORLD
  • Tuesday April 16, 2024 11:00 pm CT on KETWORLD
  • Wednesday April 17, 2024 8:00 am ET on KETWORLD
  • Wednesday April 17, 2024 7:00 am CT on KETWORLD

Making North America: Origins - S42 E20

Premiered On: 11/04/2015

Discover how forces of almost unimaginable power gave birth to the continent of North America.

  • Wednesday April 17, 2024 10:00 pm ET on KET
  • Wednesday April 17, 2024 9:00 pm CT on KET
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  • Wednesday April 24, 2024 7:00 am CT on KETWORLD

Weathering the Future - S50 E5

As extreme weather in the U.S. impacts more people - with longer heat waves, more intense rainstorms, megafires, and droughts - discover how Americans are fighting back by marshaling ancient wisdom and innovating new solutions.

  • Monday April 22, 2024 4:00 pm ET on KETWORLD
  • Monday April 22, 2024 3:00 pm CT on KETWORLD

Making North America: Life - S42 E21

Premiered On: 11/11/2015

The mysteries of how life evolved in North America, including the arrival of humans, are explored.

  • Wednesday April 24, 2024 10:00 pm ET on KET
  • Wednesday April 24, 2024 9:00 pm CT on KET
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  • Tuesday April 30, 2024 12:00 am ET on KET2
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Making North America: Human - S42 E22

Premiered On: 11/18/2015

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

  • Wednesday May 1, 2024 10:00 pm ET on KET
  • Wednesday May 1, 2024 9:00 pm CT on KET
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Why Bridges Collapse - S46 E18

Premiered On: 10/16/2019

NOVA investigates what may have led to the collapse of the Polcevera Bridge in Genoa, Italy, that killed 43 people. But the Polcevera Bridge isn't alone. Join experts as they compare what happened to the Polcevera with other deadly bridge collapses, including Minnesota's I-35W bridge over the Mississippi and the famed Silver Bridge over the Ohio River.

  • Wednesday May 8, 2024 10:00 pm ET on KET
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Secrets in Your Data - S51 E7

Alok Patel takes a look at what happens to the personal data shared on social media and efforts to maximize benefits without compromising personal privacy.

  • Wednesday May 15, 2024 9:00 pm ET on KET
  • Wednesday May 15, 2024 8:00 pm CT on KET
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  • Thursday May 16, 2024 4:00 pm CT on KET
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Ancient Maya Metropolis - S48 E22

  • Tuesday April 16, 2024 7:00 pm ET on KETWORLD
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Secrets of the Forbidden City - S44 E15

  • Friday April 5, 2024 3:00 am ET on KET
  • Friday April 5, 2024 2:00 am CT on KET
  • Wednesday April 3, 2024 10:00 pm ET on KET
  • Wednesday April 3, 2024 9:00 pm CT on KET

Great American Eclipse - S51 E6

  • Wednesday April 10, 2024 8:00 am ET on KETWORLD
  • Wednesday April 10, 2024 7:00 am CT on KETWORLD
  • Wednesday April 10, 2024 12:00 am ET on KETWORLD
  • Tuesday April 9, 2024 11:00 pm CT on KETWORLD
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A.I. Revolution - S51 E5

  • Wednesday April 3, 2024 5:00 pm ET on KET
  • Wednesday April 3, 2024 4:00 pm CT on KET
  • Wednesday April 3, 2024 8:00 am ET on KETWORLD
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  • Sunday March 31, 2024 7:00 pm ET on KET2
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  • Wednesday March 27, 2024 9:00 pm ET on KET
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Why Bridges Collapse - S46 E18

  • Sunday March 24, 2024 7:00 pm ET on KET2
  • Sunday March 24, 2024 6:00 pm CT on KET2

Polar Extremes - S47 E1

  • Wednesday March 27, 2024 8:00 am ET on KETWORLD
  • Wednesday March 27, 2024 7:00 am CT on KETWORLD
  • Wednesday March 27, 2024 12:00 am ET on KETWORLD
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  • Wednesday March 20, 2024 9:00 pm ET on KET
  • Wednesday March 20, 2024 8:00 pm CT on KET

Hidden Volcano Abyss - S50 E8

  • Wednesday March 20, 2024 8:00 am ET on KETWORLD
  • Wednesday March 20, 2024 7:00 am CT on KETWORLD
  • Wednesday March 20, 2024 12:00 am ET on KETWORLD
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  • Monday March 18, 2024 11:00 pm CT on KET2
  • Sunday March 17, 2024 7:00 pm ET on KET2
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