Deadliest Chemical Weapons Ever Used in History

(19:48)

The 5 Most Dangerous Chemicals on Earth

(10:45)

The Deadliest Toxins on Earth

(10:46)

What Is The Deadliest Substance On Earth? Toxicity Comparison

(7:39)

The most dangerous elements on the periodic table - Shannon Odell

(4:39)

Deadliest Substance in the World

(26:53)

World's Most Dangerous Substances

(13:50)

Deadliest Chemicals In The World

(7:6)

The Human Cost Of A Century Of Chemical Warfare

(8:50)

Toxicity Comparison (This little will KILL you)

(3:24)

What is the Deadliest Substance in the World?

(7:23)

Cesium is scary

(1:9)

Which Chemical is the Most Risky?

(28:49)

Which Chemical is the Worst Carcinogen?

(44:22)

Making the stinkiest chemical known to man

(43:36)

Most Dangerous Chemical - Viewer Questions

(2:56)

7 Worst Chemical Gases in the World

(17:22)

Which Chemicals are the Most Dangerous?

(17:18)

The Most Dangerous Chemical I've Ever Made.

(26:18)