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The Dawn of Chemical Warfare

There's a lot of science behind chemical weapons. April 22, 2015 marks the 100th anniversary of the first large-scale use of chemical weapons in modern warfare. Some of the best minds in chemistry at that time, including a Nobel Prize winner, used their knowledge of science to build humanity’s new weapons of mass destruction. We take a sobering look at the chemistry behind the modern wo
Season 2 Episode 20 Length 05:25 Premiere: 04/20/15

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Season 2 Episodes

Shedding Light on Seasonal Affective Disorder
S2 E60 Length 03:48 Premiere Date 12/22/15

Nerding out on Star Wars Science
S2 E59 Length 04:22 Premiere Date 12/14/22

How to Sharpen Your Knife Without a Sharpener
S2 E58 Length 01:37 Premiere Date 12/07/15

How to Tell if Your Oven is a Liar - Chemistry Life Hacks
S2 E57 Length 01:55 Premiere Date 12/07/15

How to Save Smelly Wine - Chemistry Life Hacks
S2 E56 Length 01:56 Premiere Date 12/07/15

Why Do Hot Peppers Cause Pain?
S2 E55 Length 04:27 Premiere Date 12/01/15

What is the Future of Fake Meat?
S2 E54 Length 03:43 Premiere Date 11/23/15

Do Vitamin Supplements Really Work?
S2 E53 Length 04:48 Premiere Date 11/16/15

How to Survive a Real-Life "Fallout"
S2 E52 Length 04:07 Premiere Date 11/10/15

The Science of the Perfect Grilled Cheese Sandwich
S2 E51 Length 03:15 Premiere Date 11/03/15

What Happens When You're About to Die?
S2 E50 Length 03:26 Premiere Date 10/26/15

What is the Blackest Black?
S2 E49 Length 03:22 Premiere Date 10/19/15

The World's Smallest Robots: Rise of the Nanomachines
S2 E48 Length 04:46 Premiere Date 10/13/15

How Pee Brought You The Modern World
S2 E47 Length 03:43 Premiere Date 10/05/15

How to Cookie with Science
S2 E46 Length 04:02 Premiere Date 09/28/15

How Do Deodorants and Antiperspirants Work?
S2 E45 Length 02:55 Premiere Date 09/21/15

What is Addiction?
S2 E44 Length 03:28 Premiere Date 09/15/15

Football Helmets: The Last Line of Defense?
S2 E43 Length 03:35 Premiere Date 09/08/15

What is a Complete Breakfast?
S2 E42 Length 03:57 Premiere Date 08/31/15

How to Stay Awake Without Caffeine
S2 E41 Length 03:15 Premiere Date 08/24/15

Does Febreze Really Work?
S2 E40 Length 03:04 Premiere Date 08/17/15

Why Does Coffee Make You Poop?
S2 E39 Length 02:27 Premiere Date 08/10/15

Can Radiation Give You Superpowers?
S2 E38 Length 04:35 Premiere Date 08/04/15

Why are Tattoos Permanent?
S2 E37 Length 03:54 Premiere Date 07/28/15

Are Invisibility Cloaks Possible?
S2 E36 Length 04:00 Premiere Date 07/23/15

The Chemistry of Wine
S2 E35 Length 03:39 Premiere Date 07/20/15

Why Do Feet Smell?
S2 E34 Length 02:34 Premiere Date 07/13/15

Why This Town Has Been On Fire For 50 Years
S2 E33 Length 03:50 Premiere Date 07/07/15

Better Grilling Through Chemistry
S2 E32 Length 02:40 Premiere Date 06/29/15

This Is Your Brain on Music
S2 E31 Length 03:41 Premiere Date 06/23/15

Is Aspartame Safe?
S2 E30 Length 03:46 Premiere Date 06/15/15

Hormones and Gender Transition
S2 E29 Length 03:08 Premiere Date 06/08/15

Why Do Wet Dogs Stink? + Other Canine Chemistry
S2 E28 Length 03:03 Premiere Date 06/01/15

Are Frozen Veggies Less Healthy?
S2 E27 Length 01:16 Premiere Date 05/25/15

Another Reason To Drink (In Moderation)
S2 E26 Length 01:15 Premiere Date 05/25/15

Yellowstone Steaming Acid Pools of Death
S2 E25 Length 03:05 Premiere Date 09/10/18

No, Your Microwave Isn't Trying to Kill You
S2 E25 Length 02:15 Premiere Date 05/18/15

Why New York Has the Best Bagels
S2 E24 Length 03:12 Premiere Date 05/18/15

How Does Adderall™ Work?
S2 E23 Length 02:47 Premiere Date 05/11/15

The Science of Avocados
S2 E22 Length 02:49 Premiere Date 05/04/15

The Science of the Avengers
S2 E21 Length 03:58 Premiere Date 04/28/15

The Dawn of Chemical Warfare
S2 E20 Length 05:25 Premiere Date 04/20/15

DIY Cleaning Hacks (CLH Vol. 6)
S2 E19 Length 02:53 Premiere Date 04/13/15

How Can You See an Atom?
S2 E18 Length 05:35 Premiere Date 04/09/15

Game of Thrones Science: Sword Making and Valyrian Steel
S2 E17 Length 03:33 Premiere Date 04/06/15

Why Too Much Stress Is Bad For You
S2 E16 Length 02:51 Premiere Date 04/02/15

Chemistry Jokes! (Round 2)
S2 E15 Length 01:55 Premiere Date 03/30/15

The Difference Between Sugar and High Fructose Corn Syrup
S2 E14 Length 02:41 Premiere Date 03/23/15

Craft Beer Chemistry
S2 E13 Length 03:06 Premiere Date 03/16/15

The Chemistry of Poison Ivy
S2 E12 Length 03:23 Premiere Date 03/09/15

Is Vaping Safer Than Cigarettes?
S2 E11 Length 03:08 Premiere Date 03/02/15

Why is Carbon Monoxide So Deadly?
S2 E10 Length 03:13 Premiere Date 02/26/15

How Do Jeans Get Blue?
S2 E9 Length 03:06 Premiere Date 02/23/15

Mind-Blowing Movie Explosions Explained
S2 E8 Length 03:13 Premiere Date 02/17/15

Why Do Roses Smell So Sweet?
S2 E7 Length 03:06 Premiere Date 02/12/15

How Do Pheromones Work?
S2 E6 Length 02:59 Premiere Date 02/09/15

The Woman (and Others) Who Saved the U.S. Space Race
S2 E5 Length 05:55 Premiere Date 02/05/15

How Does Moisturizer Work?
S2 E4 Length 02:57 Premiere Date 01/26/15

Chemistry Life Hacks for Winter Survival (CLH Vol. 5)
S2 E3 Length 03:26 Premiere Date 01/20/15

Tricking the Nazis and Transforming Medicine: George de Heve
S2 E2 Length 06:32 Premiere Date 01/12/15

How Does Salt Melt Ice?
S2 E1 Length 03:12 Premiere Date 01/05/15

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