In 1983, archaeologists exploring South Africa's Kruger Cave found a 7,000-year-old antelope femur which then sat in storage at the University of Witwatersrand for nearly 40 years. It wasn't until ...

This is the oldest confirmed use of a mixture comprising two or more plant toxins specifically applied to arrowheads.

X-rays revealed that three modified bone arrowheads had been placed into the ... on toxic compounds derived from plants and animals to make their weapons more effective. In southern Africa ...