Season 1

5 episodes

Poster not found

Mirror Neurons, Hurricanes, Sand Dunes ~ 1

January 25, 2005

Poster not found

3-Foot Humans, T. Rex, Stem Cells ~ 2

April 19, 2005

Poster not found

Hydrogen Cars, Petunias, Glaciers ~ 3

July 26, 2005

Poster not found

Life in the Lab, Lightning, Fish Surgery ~ 4

October 18, 2005

Poster not found

Tenth Planet, Twin Primes, Bird Flu ~ 5

January 10, 2006

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Season 2

5 episodes

Poster not found

Asteroid ~ 1

October 03, 2006

Poster not found

Mass Extinction ~ 2

November 21, 2006

Poster not found

Aging ~ 3

January 09, 2007

Poster not found

Sleep ~ 4

July 10, 2007

Poster not found

Dino Blood? ~ 5

July 24, 2007

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Season 3

10 episodes

Poster not found

Dark Matter, Mice, Crowd Wisdom ~ 1

June 25, 2008

Poster not found

Personal Genome; Digital Art Authentication; Carbon Sequestration; Pardis Sabeti Profile ~ 2

July 02, 2008

Poster not found

Saving Hubble, First Primates, Iraqibacter ~ 3

July 09, 2008

Poster not found

Bird Brains, Space Storms, Smart Bridges ~ 4

July 16, 2008

Poster not found

Leeches; SETI; Stem Cells; Edith Widder ~ 5

July 23, 2008

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Season 4

8 episodes

Poster not found

Diamond Factory / Anthrax Investigation / Auto-Tune / Luis Von Ahn ~ 1

June 30, 2009

Poster not found

Hunt for Alien Earths / Art Authentication / Maydianne Andrade / Autism Genes ~ 2

July 07, 2009

Poster not found

Marathon Mouse/Dinosaur Plague/Franklin Chang-Díaz/Space Storms ~ 3

July 14, 2009

Poster not found

Picky Eaters/Capturing Carbon/Sea Lions and Walruses/Sangeeta Bhatia ~ 4

July 21, 2009

Poster not found

Moon Smasher/Secrets in the Salt/Bird Brains/Lonnie Thompson ~ 5

July 28, 2009

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Season 5

6 episodes

Can We Make It to Mars? ~ 1

January 19, 2011

Can We Live Forever? ~ 2

January 26, 2011

How Does the Brain Work? ~ 3

February 02, 2011

How Smart Are Animals? ~ 4

February 09, 2011

Where Did We Come From? ~ 5

February 16, 2011

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Season 6

6 episodes

What Makes Us Human? ~ 1

October 10, 2012

Can Science Stop Crime? ~ 2

October 17, 2012

How Smart Can We Get? ~ 3

October 24, 2012

Can I Eat That? ~ 4

October 31, 2012

What Are Animals Thinking? ~ 5

November 07, 2012

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