Skip to Main Content

The 9/11 Memorial Mock-Up

Architect and designer Michael Arad takes us on a tour of his 9/11 Memorial mock-up.
Clip Length 01:54 Premiere: 08/24/11

Sponsored by:

The words, "YOUNG WRITERS CONTEST" on a variegated colorful background along with a LEARN MORE button.The words, "YOUNG WRITERS CONTEST" on a variegated colorful background along with a LEARN MORE button.

Season Episodes

Saving Venice

S49 E12 Length 53:31 Premiere Date 09/28/22

Ultimate Space Telescope

S49 E10 Length 53:33 Premiere Date 07/13/22

Ice Age Footprints

S49 E9 Length 53:32 Premiere Date 05/25/22

Why Ships Crash

S49 E8 Length 53:31 Premiere Date 05/18/22

Dinosaur Apocalypse: The Last Day

S49 E7 Length 53:33 Premiere Date 05/11/22

Dinosaur Apocalypse: The New Evidence

S49 E6 Length 53:33 Premiere Date 05/11/22

Determined: Fighting Alzheimer's

S49 E5 Length 53:28 Premiere Date 04/06/22

Augmented

S49 E4 Length 1:25:02 Premiere Date 02/23/22

Great Mammoth Mystery

S49 E3 Length 53:26 Premiere Date 02/16/22

Secrets in the Scat

S49 E2 Length 53:32 Premiere Date 02/09/22

Arctic Sinkholes

S49 E1 Length 53:28 Premiere Date 02/02/22

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

See All Episodes

caret down

TV Schedules

Jump to Recent Airdates

Upcoming

Butterfly Blueprints

An investigation into the hidden scientific secrets of butterflies reveals them as more intelligent and resilient than imagined and explores how they're inspiring cutting-edge technical innovations.

  • Saturday October 1, 2022 5:00 am ET on KETWORLD
  • Saturday October 1, 2022 4:00 am CT on KETWORLD

Saving Venice

Rising seas and sinking land threaten to destroy Venice. Can the city's new hi-tech flood barrier save it?

  • Sunday October 2, 2022 7:00 pm ET on KET2
  • Sunday October 2, 2022 6:00 pm CT on KET2
  • Tuesday October 4, 2022 3:00 am ET on KET2
  • Tuesday October 4, 2022 2:00 am CT on KET2

Ending HIV In America

Almost 40 years after the discovery of HIV could we be on the verge of ending the AIDS epidemic in America? How did scientists tackle one of the most elusive deadly viruses to ever infect humans? Can innovative drugs bring new infections to zero?

  • Wednesday October 5, 2022 9:00 pm ET on KET
  • Wednesday October 5, 2022 8:00 pm CT on KET
  • Thursday October 6, 2022 1:00 pm ET on KET
  • Thursday October 6, 2022 12:00 pm CT on KET
  • Friday October 7, 2022 2:00 am ET on KET
  • Friday October 7, 2022 1:00 am CT on KET
  • Sunday October 9, 2022 7:00 pm ET on KET2
  • Sunday October 9, 2022 6:00 pm CT on KET2
  • Tuesday October 11, 2022 3:00 am ET on KET2
  • Tuesday October 11, 2022 2:00 am CT on KET2

Computers vs. Crime

Across the country, artificial intelligence is helping inform decisions about policing and criminal sentencing. This timely investigation digs into hidden biases, privacy risks and design flaws.

  • Wednesday October 12, 2022 9:00 pm ET on KET
  • Wednesday October 12, 2022 8:00 pm CT on KET
  • Thursday October 13, 2022 1:00 pm ET on KET
  • Thursday October 13, 2022 12:00 pm CT on KET
  • Friday October 14, 2022 2:00 am ET on KET
  • Friday October 14, 2022 1:00 am CT on KET
  • Sunday October 16, 2022 7:00 pm ET on KET2
  • Sunday October 16, 2022 6:00 pm CT on KET2
  • Tuesday October 18, 2022 3:00 am ET on KET2
  • Tuesday October 18, 2022 2:00 am CT on KET2

Can Psychedelics Cure?

Scientists explore the potential for profoundly positive clinical impacts of mind-altering drugs, helping patients struggling with afflictions like addiction and depression.

  • Wednesday October 19, 2022 9:00 pm ET on KET
  • Wednesday October 19, 2022 8:00 pm CT on KET
  • Thursday October 20, 2022 1:00 pm ET on KET
  • Thursday October 20, 2022 12:00 pm CT on KET
  • Friday October 21, 2022 2:00 am ET on KET
  • Friday October 21, 2022 1:00 am CT on KET
  • Sunday October 23, 2022 7:00 pm ET on KET2
  • Sunday October 23, 2022 6:00 pm CT on KET2
  • Tuesday October 25, 2022 3:00 am ET on KET2
  • Tuesday October 25, 2022 2:00 am CT on KET2

Ocean Invaders

Lionfish - long prized in home aquariums - have invaded the Atlantic. Learn what makes the lionfish such a successful invasive species, how it's wreaking havoc, and what can be done about it.

  • Wednesday October 26, 2022 9:00 pm ET on KET
  • Wednesday October 26, 2022 8:00 pm CT on KET
  • Thursday October 27, 2022 1:00 pm ET on KET
  • Thursday October 27, 2022 12:00 pm CT on KET
  • Friday October 28, 2022 2:00 am ET on KET
  • Friday October 28, 2022 1:00 am CT on KET
  • Sunday October 30, 2022 7:00 pm ET on KET2
  • Sunday October 30, 2022 6:00 pm CT on KET2
  • Tuesday November 1, 2022 12:00 am ET on KET2
  • Monday October 31, 2022 11:00 pm CT on KET2
Jump to Upcoming Airdates

Recent

Saving Venice - S49 E12

  • Friday September 30, 2022 2:00 am ET on KET
  • Friday September 30, 2022 1:00 am CT on KET
  • Thursday September 29, 2022 1:00 pm ET on KET
  • Thursday September 29, 2022 12:00 pm CT on KET
  • Wednesday September 28, 2022 9:00 pm ET on KET
  • Wednesday September 28, 2022 8:00 pm CT on KET

Cuba's Cancer Hope - S47 E5

  • Wednesday September 28, 2022 8:00 am ET on KETWORLD
  • Wednesday September 28, 2022 7:00 am CT on KETWORLD
  • Wednesday September 28, 2022 12:00 am ET on KETWORLD
  • Tuesday September 27, 2022 11:00 pm CT on KETWORLD
  • Tuesday September 27, 2022 7:00 pm ET on KETWORLD
  • Tuesday September 27, 2022 6:00 pm CT on KETWORLD

Hindenburg: The New Evidence - S48 E6

  • Tuesday September 27, 2022 3:00 am ET on KET2
  • Tuesday September 27, 2022 2:00 am CT on KET2
  • Sunday September 25, 2022 7:00 pm ET on KET2
  • Sunday September 25, 2022 6:00 pm CT on KET2
  • Friday September 23, 2022 2:00 am ET on KET
  • Friday September 23, 2022 1:00 am CT on KET
  • Thursday September 22, 2022 1:00 pm ET on KET
  • Thursday September 22, 2022 12:00 pm CT on KET

Nature's Fear Factor - S47 E9

  • Wednesday September 21, 2022 8:00 am ET on KETWORLD
  • Wednesday September 21, 2022 7:00 am CT on KETWORLD
  • Wednesday September 21, 2022 12:00 am ET on KETWORLD
  • Tuesday September 20, 2022 11:00 pm CT on KETWORLD
  • Tuesday September 20, 2022 7:00 pm ET on KETWORLD
  • Tuesday September 20, 2022 6:00 pm CT on KETWORLD
  • Tuesday September 20, 2022 3:00 am ET on KET2
  • Tuesday September 20, 2022 2:00 am CT on KET2
  • Sunday September 18, 2022 7:00 pm ET on KET2
  • Sunday September 18, 2022 6:00 pm CT on KET2
  • Friday September 16, 2022 3:30 am ET on KET
  • Friday September 16, 2022 2:30 am CT on KET
  • Thursday September 15, 2022 1:00 pm ET on KET
  • Thursday September 15, 2022 12:00 pm CT on KET
  • Wednesday September 14, 2022 10:30 pm ET on KET
  • Wednesday September 14, 2022 9:30 pm CT on KET

A to Z: How Writing Changed the World - S47 E14

  • Wednesday September 14, 2022 8:00 am ET on KETWORLD
  • Wednesday September 14, 2022 7:00 am CT on KETWORLD
  • Wednesday September 14, 2022 12:00 am ET on KETWORLD
  • Tuesday September 13, 2022 11:00 pm CT on KETWORLD
  • Tuesday September 13, 2022 7:00 pm ET on KETWORLD
  • Tuesday September 13, 2022 6:00 pm CT on KETWORLD
  • Tuesday September 13, 2022 3:00 am ET on KET2
  • Tuesday September 13, 2022 2:00 am CT on KET2
  • Friday September 9, 2022 2:00 am ET on KET
  • Friday September 9, 2022 1:00 am CT on KET
  • Thursday September 8, 2022 1:00 pm ET on KET
  • Thursday September 8, 2022 12:00 pm CT on KET
  • Wednesday September 7, 2022 9:00 pm ET on KET
  • Wednesday September 7, 2022 8:00 pm CT on KET

A to Z: The First Alphabet - S47 E13

  • Wednesday September 7, 2022 8:00 am ET on KETWORLD
  • Wednesday September 7, 2022 7:00 am CT on KETWORLD
  • Wednesday September 7, 2022 12:00 am ET on KETWORLD
  • Tuesday September 6, 2022 11:00 pm CT on KETWORLD
  • Tuesday September 6, 2022 7:00 pm ET on KETWORLD
  • Tuesday September 6, 2022 6:00 pm CT on KETWORLD
  • Tuesday September 6, 2022 3:00 am ET on KET2
  • Tuesday September 6, 2022 2:00 am CT on KET2
  • Sunday September 4, 2022 7:00 pm ET on KET2
  • Sunday September 4, 2022 6:00 pm CT on KET2
  • Friday September 2, 2022 2:00 am ET on KET
  • Friday September 2, 2022 1:00 am CT on KET
  • Thursday September 1, 2022 1:00 pm ET on KET
  • Thursday September 1, 2022 12:00 pm CT on KET
  • Wednesday August 31, 2022 9:00 pm ET on KET
  • Wednesday August 31, 2022 8:00 pm CT on KET

Butterfly Blueprints - S48 E20

  • Saturday September 3, 2022 5:00 am ET on KETWORLD
  • Saturday September 3, 2022 4:00 am CT on KETWORLD
  • Wednesday August 31, 2022 10:00 am ET on KETWORLD
  • Wednesday August 31, 2022 9:00 am CT on KETWORLD
  • Wednesday August 31, 2022 2:00 am ET on KETWORLD
  • Wednesday August 31, 2022 1:00 am CT on KETWORLD
  • Tuesday August 30, 2022 9:00 pm ET on KETWORLD
  • Tuesday August 30, 2022 8:00 pm CT on KETWORLD

Operation Lighthouse Rescue - S43 E13

  • Wednesday August 31, 2022 8:00 am ET on KETWORLD
  • Wednesday August 31, 2022 7:00 am CT on KETWORLD
  • Wednesday August 31, 2022 12:00 am ET on KETWORLD
  • Tuesday August 30, 2022 11:00 pm CT on KETWORLD
  • Tuesday August 30, 2022 7:00 pm ET on KETWORLD
  • Tuesday August 30, 2022 6:00 pm CT on KETWORLD
  • Tuesday August 30, 2022 3:00 am ET on KET2
  • Tuesday August 30, 2022 2:00 am CT on KET2
Top

Explore KET