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Human Nature

Human Nature

Human Nature

With an extraordinary new technology called CRISPR, we can now edit DNA—including human DNA. But how far should we go? Gene-editing promises to eliminate certain genetic disorders like sickle cell disease. But the applications quickly raise ethical questions. Is it wrong to engineer soldiers to feel no pain, or to resurrect an extinct species?
S47 E11 Length 1:33:41 Premiere: 9.9.20

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NOVA

About NOVA

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

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Secret Mind of Slime

Scientists investigate the "intelligence" of slime molds, which appear to learn and make decisions without a brain.

  • Sunday September 20, 2020 7:00 pm ET on KET2
  • Sunday September 20, 2020 6:00 pm CT on KET2

A to Z: The First Alphabet

Follow the evolution of the written word, from millennia-old carvings in an Egyptian turquoise mine to our modern-day alphabets.

  • Wednesday September 23, 2020 9:00 pm ET on KET
  • Wednesday September 23, 2020 8:00 pm CT on KET
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  • Friday September 25, 2020 2:00 am ET on KET
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  • Sunday September 27, 2020 7:00 pm ET on KET2
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A to Z: How Writing Changed the World

Just as handwritten records changed how societies work, the printing press transformed the spread of information, igniting the Industrial Revolution.

  • Wednesday September 30, 2020 9:00 pm ET on KET
  • Wednesday September 30, 2020 8:00 pm CT on KET
  • Thursday October 1, 2020 1:00 pm ET on KET
  • Thursday October 1, 2020 12:00 pm CT on KET
  • Friday October 2, 2020 2:00 am ET on KET
  • Friday October 2, 2020 1:00 am CT on KET
  • Sunday October 4, 2020 7:00 pm ET on KET2
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The Impossible Flight - S45 E3

Two intrepid pilots attempt to construct and fly the first solar-powered airplane around the world.

  • Thursday October 8, 2020 1:00 pm ET on KET
  • Thursday October 8, 2020 12:00 pm CT on KET

Rise of the Mammals - S46 E17

A new trove of fossils reveals how mammals took over after an asteroid wiped out the dinosaurs 66 million years ago.

  • Sunday October 11, 2020 7:00 pm ET on KET2
  • Sunday October 11, 2020 6:00 pm CT on KET2

Nature's Fear Factor

Scientists are reintroducing wild dogs to Mozambique's Gorongosa National Park to restore a "landscape of fear" and with it the natural balance of the ecosystem.

  • Wednesday October 14, 2020 9:00 pm ET on KET
  • Wednesday October 14, 2020 8:00 pm CT on KET
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  • Friday October 16, 2020 1:00 am CT on KET
  • Sunday October 18, 2020 7:00 pm ET on KET2
  • Sunday October 18, 2020 6:00 pm CT on KET2

Touching the Asteroid

Scientists attempt to grab a piece of an asteroid and bring it to Earth using spacecraft OSIRIS-REx.

  • Wednesday October 21, 2020 9:00 pm ET on KET
  • Wednesday October 21, 2020 8:00 pm CT on KET
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Secret Mind of Slime

  • Friday September 18, 2020 2:00 am ET on KET
  • Friday September 18, 2020 1:00 am CT on KET
  • Thursday September 17, 2020 1:00 pm ET on KET
  • Thursday September 17, 2020 12:00 pm CT on KET
  • Wednesday September 16, 2020 9:00 pm ET on KET
  • Wednesday September 16, 2020 8:00 pm CT on KET

Rise of the Rockets - S46 E5

  • Sunday September 13, 2020 7:00 pm ET on KET2
  • Sunday September 13, 2020 6:00 pm CT on KET2

Secrets of Noah's Ark - S42 E12

  • Thursday September 10, 2020 5:00 am ET on KET
  • Thursday September 10, 2020 4:00 am CT on KET

Human Nature

  • Friday September 11, 2020 1:00 am ET on KET
  • Friday September 11, 2020 12:00 am CT on KET
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  • Thursday September 10, 2020 11:00 am CT on KET
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Dead Sea Scroll Detectives - S46 E20

  • Sunday August 23, 2020 7:00 pm ET on KET2
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  • Thursday August 20, 2020 1:00 pm ET on KET
  • Thursday August 20, 2020 12:00 pm CT on KET
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Season 47

Gene-Editing Reality Check

S47 E111 Length 19:13 Premiere Date 9.4.20

Secret Mind of Slime

S47 E12 Length 53:17 Premiere Date 9.16.20

Human Nature

S47 E11 Length 1:33:41 Premiere Date 9.9.20

Decoding COVID-19

S47 E10 Length 53:38 Premiere Date 5.13.20

Eagle Power

S47 E7 Length 53:40 Premiere Date 5.20.20

The Truth About Fat

S47 E6 Length 53:38 Premiere Date 4.8.20

Cuba's Cancer Hope

S47 E5 Length 53:45 Premiere Date 4.1.20

Mysteries of Sleep

S47 E4 Length 53:14 Premiere Date 2.26.20

Cat Tales

S47 E3 Length 53:40 Premiere Date 2.19.20

Dog Tales

S47 E2 Length 54:11 Premiere Date 2.12.20

Polar Extremes

S47 E1 Length 1:53:06 Premiere Date 2.5.20

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