Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Bell's palsy to Black Friday

Biological warfare

Biological warfare, war waged with microorganisms and their toxins against people, animals, and plants. The United States, USSR, Great Britain, and more than 100 other countries signed an agreement in 1972 to prohibit the development, production, and stockpiling of biological weapons.

Biology [next] [back] Biological clock

User Comments

Your email address will be altered so spam harvesting bots can't read it easily.
Hide my email completely instead?

Cancel or