The first bungee jumpers, Pentecost Land Divers, used vines tied to their ankles and dived off towers made of sticks wearing nothing but a penis sheath called a nambus.
The practice of tattooing started with a myth, became a rite of passage, fell out of favor after the arrival of Christian missionaries and has been revived today.
Dr. E.W. Brandes and his team ventured into unexplored jungles of New Guinea in 1929 on an expedition to find new disease-resistant varieties of sugar cane.