Eating humans is a trait that can be learned (Pic: Melbourne Zoo) Eating humans is learned behaviour passed down through generations of lions, suggests surprising new American research. The study by Dr Julian Peterhans and Thomas Gnoske of The Field Museum in Chicago is published in the latest issue of the Journal of East African Natural History. It originally began as an attempt to dispel a longstanding myth about a pair of lions in the museum's collection. Legend has it that in 1898, two lions killed 135 workers building a bridge near Tsavo, Kenya. The attack, over nine months,...