Why are 18 Year Olds Considered Adults?

While you might not personally consider your average 18 year old a full-fledged adult, 18 is a pretty magic number in the US. It’s the the age when you can vote, go to war, work full time, and move out of their parents house. Why is this the case? Well while you might think there’s some sort of biological or traditional explanation, that’s not the case.

Season 1 Episode 3 Length 06:50 Premiere: 09/20/17

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S3 E26 Length 01:59 Premiere Date 12/22/20

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S3 E25 Length 12:41 Premiere Date 12/17/20

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S3 E24 Length 14:12 Premiere Date 12/09/20

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S3 E23 Length 13:39 Premiere Date 11/24/20

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Clips & Previews

Welcome To Origin of Everything!

Preview Length 00:29 Premiere Date 09/19/17

Season 1 Episodes

Show Episodes

Show Clips & Previews

Why Is There a Minimum Wage?

S1 E45 Length 09:10 Premiere Date 10/09/18

The Origin of Gender

S1 E44 Length 08:39 Premiere Date 10/03/18

Why Do People Have Pets?

S1 E43 Length 08:00 Premiere Date 09/11/18

Why Do We Eat Popcorn at The Movies?

S1 E42 Length 06:46 Premiere Date 08/28/18

Why Was Crossdressing Illegal?

S1 E41 Length 07:23 Premiere Date 08/14/18

Six Historically True Facts about Money

S1 E40 Length 11:11 Premiere Date 07/31/18

Why Do All Malls Look the Same?

S1 E39 Length 08:54 Premiere Date 07/17/18

Why Did Europeans Enslave Africans?

S1 E38 Length 07:42 Premiere Date 07/10/18

Why Do Women Shave Their Legs?

S1 E37 Length 07:27 Premiere Date 07/03/18

6 Weird Facts About the History of Birth Control

S1 E36 Length 09:17 Premiere Date 06/27/18

Why Do We Say "Asian American" Not "Oriental"?

S1 E35 Length 06:59 Premiere Date 06/20/18

Why Was It Illegal to be Ugly?

S1 E34 Length 05:53 Premiere Date 07/10/18

What Was Jesus' Real Name?

S1 E33 Length 04:18 Premiere Date 06/05/18

History of the Word “Gay”

S1 E32 Length 06:03 Premiere Date 05/23/18

Do Standardized Tests Do More Harm Than Good?

S1 E31 Length 09:08 Premiere Date 05/15/18

When Men Wore High Heels

S1 E30 Length 06:27 Premiere Date 05/08/18

The 2nd Amendment Explained

S1 E29 Length 09:28 Premiere Date 05/02/18

Is Breakfast the Most Important Meal?

S1 E28 Length 09:06 Premiere Date 04/24/18

What If There Were No Taxes?

S1 E27 Length 08:58 Premiere Date 04/17/18

The Origin of Race in the USA

S1 E26 Length 09:22 Premiere Date 04/03/18

What If Islam Conquered Europe?

S1 E25 Length 08:37 Premiere Date 03/27/18

Would You Have Joined the American Revolution?

S1 E24 Length 09:06 Premiere Date 03/20/18

When DId Marriage Become about Love?

S1 E23 Length 07:28 Premiere Date 02/27/18

Why Do We Wash Our Hands After Going to the Bathroom?

S1 E22 Length 07:50 Premiere Date 02/27/18

Why Does the ❤️ Heart Symbol ❤️ Look That Way?

S1 E21 Length 05:54 Premiere Date 02/13/18

Is the Rosa Parks Story True?

S1 E20 Length 08:14 Premiere Date 02/06/18

Why was Pink for Boys and Blue for Girls?

S1 E19 Length 09:03 Premiere Date 01/30/18

Does the Rorschach Inkblot Test Work?

S1 E18 Length 08:01 Premiere Date 01/23/18

Why Do Kids Have Their Own Bedrooms?

S1 E17 Length 07:49 Premiere Date 02/16/18

How Did Martin Luther King Jr. Get a Holiday?

S1 E16 Length 09:40 Premiere Date 01/09/18

Why Does Santa Wear Red?

S1 E15 Length 06:17 Premiere Date 12/21/17

Why Are There So Few Women in Computer Science?

S1 E14 Length 06:16 Premiere Date 12/21/17

Why Do We Eat Artificial Flavors?

S1 E13 Length 07:42 Premiere Date 12/05/17

Where does the Nuclear Family Come From?

S1 E12 Length 07:46 Premiere Date 11/21/17

Why Do Women Give Birth Lying Down?

S1 E11 Length 07:28 Premiere Date 11/14/17

How Your Rubber Ducky Explains Colonialism

S1 E10 Length 06:49 Premiere Date 11/08/17

Why Do We Get Grades in School?

S1 E9 Length 07:45 Premiere Date 11/01/17

Is Poisoned Halloween Candy a Myth?

S1 E8 Length 06:38 Premiere Date 10/24/17

Why is there a North and South Korea?

S1 E7 Length 07:35 Premiere Date 10/17/17

How WWII Created Godzilla & Mecha Robots

S1 E6 Length 09:33 Premiere Date 10/10/17

How Columbus Invented Cannibals

S1 E5 Length 06:30 Premiere Date 10/03/17

Where Does the #Hashtag Symbol Come From?

S1 E4 Length 07:13 Premiere Date 09/26/17