60,000-year-old traces of world's oldest arrow poison reveal early advanced hunting techniques

Researchers from South Africa and Sweden have found the oldest traces of arrow poison in the world to date. On ...
Mental Floss

The Men Who Volunteered to Be Poisoned by the Government

Harvey Washington Wiley (back row, second from left) and the young volunteers of the Poison Squad. | FDA, Flickr // Public Domain Harvey Washington Wiley, the brusque and determined leader of the ...