Chimpanzees Use Leaves as Hygiene Tools
Wild chimpanzees have been observed chewing leaves to clean themselves and treat wounds—a behavior once thought uniquely human and a sign of basic health care in animals
The Dancing Plague of 1518: In 1518, people in Strasbourg, France, started dancing uncontrollably. One woman began, and soon many others joined, dancing for days. Some historians think they had mass hysteria or food poisoning from moldy rye.
