3 Ancient Plants that Changed the Course of History

Learn why three ancient plants—hemp, eucalyptus and the opium poppy—are some of the most influential plants known to mankind.

The opium poppy has proved to be both a blessing and a curse on history. Its healing balm, morphine, has been recognized for its use in easing extreme pain since Neolithic times, while its derivative, heroin, has had nightmare consequences in the West.
Photo courtesy Quid Publishing (c) 2010