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Lingering Symptoms from COVID-19 are “Unprecedented”

The number of COVID long-haulers is unknown, but experts estimate that millions of Americans could be affected by lingering symptoms of the disease.
Clip Length 05:05 Premiere: 02/04/21

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New Eye on the Universe
S50 E4 Length 53:31 Premiere Date 02/22/23

Ancient Builders of the Amazon
S50 E3 Length 53:22 Premiere Date 02/15/23

Star Chasers of Senegal
S50 E2 Length 53:20 Premiere Date 02/08/23

London Super Tunnel
S50 E1 Length 53:20 Premiere Date 02/01/23

Surviving an Elevator Fall
Clip Length 01:31 Premiere Date 08/23/10

Shabbat Elevator
Clip Length 02:42 Premiere Date 08/23/10

Six Questions with David Pogue
Clip Length 02:33 Premiere Date 01/04/11

A Mind for Music
Clip Length 04:05 Premiere Date 02/09/11

Modeling a Comet Airburst
Clip Length 03:20 Premiere Date 02/09/11

Green Energy in China
Clip Length 05:09 Premiere Date 04/12/11

A Strict Carbon Diet
Clip Length 02:58 Premiere Date 04/12/11

Brian Greene Answers Your Questions
Clip Length 01:07 Premiere Date 08/02/11

The 9/11 Memorial Mock-Up
Clip Length 01:54 Premiere Date 08/24/11

Solving an Engineering Problem
Clip Length 02:49 Premiere Date 08/24/11

Walls of Glass
Clip Length 02:29 Premiere Date 08/24/11

The Memorial Plaques
Clip Length 02:31 Premiere Date 08/24/11

Rebuilding 7 World Trade Center
Clip Length 01:48 Premiere Date 08/31/11

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Ancient Maya Metropolis

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

  • Tuesday March 28, 2023 12:00 am ET on KET2
  • Monday March 27, 2023 11:00 pm CT on KET2
  • Tuesday March 28, 2023 7:00 pm ET on KETWORLD
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  • Wednesday March 29, 2023 12:00 am ET on KETWORLD
  • Tuesday March 28, 2023 11:00 pm CT on KETWORLD
  • Wednesday March 29, 2023 8:00 am ET on KETWORLD
  • Wednesday March 29, 2023 7:00 am CT on KETWORLD

Einstein's Quantum Riddle

Premiered On: 01/09/2019

Physicists capture light from across the universe in a bid to prove Einstein's quantum entanglement.

  • Wednesday March 29, 2023 9:00 pm ET on KET
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  • Tuesday April 4, 2023 12:00 am ET on KET2
  • Monday April 3, 2023 11:00 pm CT on KET2

Arctic Sinkholes

Scientists investigate colossal explosions in Siberia and other evidence that rapidly melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.

  • Wednesday April 5, 2023 9:00 pm ET on KET
  • Wednesday April 5, 2023 8:00 pm CT on KET
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  • Sunday April 9, 2023 7:00 pm ET on KET2
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  • Tuesday April 11, 2023 12:00 am ET on KET2
  • Monday April 10, 2023 11:00 pm CT on KET2

Weathering the Future

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.

  • Wednesday April 12, 2023 9:00 pm ET on KET
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  • Tuesday April 18, 2023 12:00 am ET on KET2
  • Monday April 17, 2023 11:00 pm CT on KET2

Edible Insects

Premiered On: 10/20/2021

From crunchy cricket chips to nutty black soldier fly grubs, explore the insect food industry and how it could benefit our health and our warming planet.

  • Thursday April 20, 2023 5:00 pm ET on KET
  • Thursday April 20, 2023 4:00 pm CT on KET

Great Escape at Dunkirk

Premiered On: 02/14/2018

Join archaeologists and divers recovering remains of ships and planes lost during World War II's epic Dunkirk operation. Discover new evidence of the ingenious technology that helped save Allied forces from defeat by the encircling Germans.

  • Sunday April 23, 2023 7:00 pm ET on KET2
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  • Tuesday April 25, 2023 12:00 am ET on KET2
  • Monday April 24, 2023 11:00 pm CT on KET2

Chasing Carbon Zero

Learn about the technologies that could help the U.S. reach net-zero carbon emissions by 2050.

  • Wednesday April 26, 2023 9:00 pm ET on KET
  • Wednesday April 26, 2023 8:00 pm CT on KET
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Ancient Maya Metropolis - S48 E22

  • Monday March 27, 2023 5:00 am ET on KET2
  • Monday March 27, 2023 4:00 am CT on KET2
  • Sunday March 26, 2023 7:00 pm ET on KET2
  • Sunday March 26, 2023 6:00 pm CT on KET2
  • Friday March 24, 2023 2:00 am ET on KET
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  • Thursday March 23, 2023 4:00 pm CT on KET
  • Wednesday March 22, 2023 9:00 pm ET on KET
  • Wednesday March 22, 2023 8:00 pm CT on KET

Kilauea: Hawaii on Fire - S46 E3

  • Wednesday March 22, 2023 8:00 am ET on KETWORLD
  • Wednesday March 22, 2023 7:00 am CT on KETWORLD
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  • Wednesday March 15, 2023 9:00 pm ET on KET
  • Wednesday March 15, 2023 8:00 pm CT on KET

Dog Tales - S47 E2

  • Wednesday March 15, 2023 9:00 am ET on KETWORLD
  • Wednesday March 15, 2023 8:00 am CT on KETWORLD
  • Wednesday March 15, 2023 1:00 am ET on KETWORLD
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  • Wednesday March 1, 2023 9:00 pm ET on KET
  • Wednesday March 1, 2023 8:00 pm CT on KET

Cat Tales - S47 E3

  • Wednesday March 15, 2023 8:00 am ET on KETWORLD
  • Wednesday March 15, 2023 7:00 am CT on KETWORLD
  • Wednesday March 15, 2023 12:00 am ET on KETWORLD
  • Tuesday March 14, 2023 11:00 pm CT on KETWORLD
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  • Tuesday March 14, 2023 12:00 am ET on KET2
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  • Thursday March 9, 2023 5:00 pm ET on KET
  • Thursday March 9, 2023 4:00 pm CT on KET

Picture a Scientist - S48 E3

  • Wednesday March 8, 2023 8:00 am ET on KETWORLD
  • Wednesday March 8, 2023 7:00 am CT on KETWORLD
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  • Tuesday March 7, 2023 11:00 pm CT on KETWORLD
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  • Tuesday March 7, 2023 6:00 pm CT on KETWORLD

New Eye on the Universe - S50 E4

  • Wednesday March 1, 2023 8:00 am ET on KETWORLD
  • Wednesday March 1, 2023 7:00 am CT on KETWORLD
  • Wednesday March 1, 2023 12:00 am ET on KETWORLD
  • Tuesday February 28, 2023 11:00 pm CT on KETWORLD
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  • Tuesday February 28, 2023 12:00 am ET on KET2
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