There Are Millions of Skeletons Hidden In Washington, DC

I took a trip to Washington D.C. to check out some of our nation's most famous monuments. Where do they come from? From the depths of the Earth to the distant reaches of the cosmos, you'll never look at history the same way again

Season 2 Episode 3 Length 03:19 Premiere: 09/09/13

Recent Episodes

The Intelligence Test Where Ants Beat Humans

S13 E17 Length 14:52 Premiere Date 02/05/26

Everything I Thought I Knew About Flavor Was Wrong

S13 E16 Length 19:50 Premiere Date 01/15/26

The Scientific Lie That Damaged Generations of Men

S13 E15 Length 20:05 Premiere Date 12/18/25

Inside the Vault Where They Keep the Dinosaur Apocalypse

S13 E14 Length 22:36 Premiere Date 12/04/25

Mars Used to Be Blue... Then Something Happened

S13 E12 Length 11:08 Premiere Date 10/23/25

Be Smart about Autism

S13 E11 Length 36:47 Premiere Date 10/02/25

Specials

The Mystery of Earth's Disappearing Giants

Length 21:29 Premiere Date 09/16/21

Dung Beetles: The Poop-Rolling Stargazers of the Serenget

Length 17:08 Premiere Date 09/01/21

These Butt-Tickling Ants Are Endangered Butterfly Bodyguards

Length 20:59 Premiere Date 08/18/21

These Death-Eating Scavengers Are Real Life-Savers

Length 29:33 Premiere Date 08/04/21

Elephant Moms Carry the Wisdom of Generations

Length 25:36 Premiere Date 07/21/21

Are Some Species More Important Than Others?

Length 25:47 Premiere Date 07/08/21

The Surprising Species That Everything Else Depends On

Length 25:47 Premiere Date 07/08/21

The Superb Owl!

Length 04:11 Premiere Date 02/02/17

The 12 Days of Evolution - Complete Series!

Length 17:43 Premiere Date 01/26/17

The Surprising Origin of Thanksgiving Foods

Length 05:09 Premiere Date 11/13/16

Do Animals Mourn Their Dead?

Length 04:17 Premiere Date 10/23/16

Season 2 Episodes

Show Episodes

Show Clips & Previews

The Physics of Space Battles

S2 E55 Length 05:13 Premiere Date 10/22/14

How to See Time Travel!!!

S2 E54 Length 03:38 Premiere Date 10/20/14

Why Does The Earth Have Layers?

S2 E53 Length 04:31 Premiere Date 10/13/14

Why Do Clouds Stay Up?

S2 E52 Length 05:13 Premiere Date 10/06/14

A Slice of Pizza Science!

S2 E51 Length 03:32 Premiere Date 10/02/14

The Real "Doctor Frankenstein"

S2 E48 Length 06:12 Premiere Date 09/02/14

The Science of Goats!

S2 E47 Length 03:35 Premiere Date 08/27/14

Where Does the Smell of Rain Come From?

S2 E45 Length 02:39 Premiere Date 08/18/14

What If There Were No Sharks?

S2 E44 Length 04:33 Premiere Date 08/11/14

The Oldest Living Things In The World

S2 E43 Length 05:40 Premiere Date 08/04/14

Sunburn, Sweat and the Science of Summer!

S2 E42 Length 04:16 Premiere Date 07/28/14

The Sun Is A Magnet!

S2 E41 Length 01:36 Premiere Date 07/21/14

How Your Body Knows Left From Right

S2 E40 Length 04:30 Premiere Date 07/18/14

You Are An Upside-Down Lobster

S2 E39 Length 04:13 Premiere Date 07/16/14

Why Is Your Brain Is In Your Head

S2 E38 Length 04:12 Premiere Date 07/14/14

The Delicious Science of Cheese

S2 E37 Length 05:36 Premiere Date 07/07/14

Why Did We Blow On Nintendo Games?

S2 E36 Length 05:10 Premiere Date 06/30/14

Carbon and Oxygen and You: Explained

S2 E35 Length 01:28 Premiere Date 06/16/14

Why Does Time Go Forward?

S2 E34 Length 02:44 Premiere Date 06/09/14

The Science of BBQ!!!

S2 E33 Length 07:27 Premiere Date 06/02/14

The Science of Game of Thrones

S2 E31 Length 07:31 Premiere Date 05/19/14

Your Mom is LITERALLY Part Of You!

S2 E30 Length 02:55 Premiere Date 05/11/14

The Far Future of the Universe

S2 E29 Length 04:58 Premiere Date 05/07/14

Could We Clone Ourselves?

S2 E28 Length 05:31 Premiere Date 05/04/14

The Amazing Science of DUST?

S2 E27 Length 05:19 Premiere Date 04/14/14

Sonic the Hedgehog Is Why You Have Thumbs!

S2 E26 Length 06:08 Premiere Date 04/07/14

There Was No First Human

S2 E24 Length 03:44 Premiere Date 03/24/14

Science of Marathon Running

S2 E23 Length 07:17 Premiere Date 03/17/14

How The Elements Got Their Names

S2 E22 Length 03:31 Premiere Date 03/03/14

What Are The Most Important Science Images Ever?

S2 E21 Length 06:23 Premiere Date 02/25/14

When Science Fiction Becomes Science Fact

S2 E20 Length 07:36 Premiere Date 02/19/14

The Science of Kissing

S2 E19 Length 05:25 Premiere Date 02/10/14

The Scale of the Universe

S2 E18 Length 04:06 Premiere Date 02/03/14

How Science Defines A Year

S2 E17 Length 04:45 Premiere Date 01/27/14

Claude Monet Was Half Honeybee

S2 E16 Length 04:26 Premiere Date 01/20/14

The Science of Snowflakes

S2 E14 Length 05:34 Premiere Date 03/31/16

The Universe in a Glass of Wine (Richard Feynman Remixed)

S2 E13 Length 02:30 Premiere Date 12/30/13

Why Do We Cook?

S2 E12 Length 05:34 Premiere Date 12/23/13

How to Read Science News

S2 E11 Length 07:30 Premiere Date 12/19/13

Is There Intelligent Life Beyond Earth?

S2 E10 Length 07:51 Premiere Date 12/09/13

Exoplanets: Are There Other Earths?

S2 E9 Length 04:20 Premiere Date 12/02/13

Ghosts of Evolution

S2 E8 Length 04:30 Premiere Date 11/25/13

Do the Nobel Prizes Still Make Sense in the 21st Century?

S2 E6 Length 07:08 Premiere Date 11/04/13

Why Do Things Sound Scary?

S2 E5 Length 05:46 Premiere Date 10/28/13

Why Do We Go to Space?

S2 E4 Length 02:53 Premiere Date 09/23/13