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Science | Military | Biological Warfare

Biological warfare is the tactic of using poisonous substances to subdue or kill mass amounts of soldiers or civilians. Learn about various types of bio-weapons and the precautions being taken to minimize their impact.

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How Agent Orange Worked

The Vietnam War occurred decades ago, but one of its legacies lingers on in Vietnamese soil and the U.S. court system. How did this defoliant do so much damage?


The Banned Weapons Quiz

The Banned Weapons Quiz

We've devised many ways to hurt one another, but sometimes those concepts are just too terrible. Prove your banned weapons knowledge at HowStuffWorks. See more »

How Tear Gas Works

How Tear Gas Works

Trailing white fumes, a silver canister arches over the no-man's-land between the armored You duck, but the canister falls short and lands amid the people in front of you. The white fumes begin to billow up like fake smoke at a magic show, but there' ... See more »

Tear Gassed! The Quiz

Tear Gassed! The Quiz

Tear gas is often used to disperse rowdy crowds. Test your knowledge with this tear gas quiz. See more »

How Agent Orange Worked

How Agent Orange Worked

UAT 0- Agent Orange was a potent herbicide and defoliant used in large quantities during the Vietnam War. Learn about Agent Orange and its terrible legacy. See more »

Wild World: Biological and Chemical Warfare Quiz

Wild World: Biological and Chemical Warfare Quiz

This biochemical warfare quiz will test your knowledge about this deadly form of warfare. Test your knowledge with our biochemical warfare quiz. See more »

How Mustard Gas Works

How Mustard Gas Works

Mustard gas is a chemical warfare agent developed during World War I. Learn how mustard gas affected soldiers and armies used mustard gas. See more »

How can llamas help defeat biological weapons?

How can llamas help defeat biological weapons?

Sure, llamas are our friends. But little did we know that these fuzzy, camel-like creatures might save us all should the End come in the form of a biological attack. See more »

How Anthrax Works

How Anthrax Works

"There have been several anthrax scares in the U.S. since 9/11. Find out where anthrax bacteria comes from, how it infects people and how its treated." See more »

How Biological and Chemical Warfare Works

How Biological and Chemical Warfare Works

Chemical warfare and biological warfare is explained in this article. Learn about biological and chemical warfare. See more »