Richard Turere speaks at the TED2013 conference in Long Beach, Calif. With a simple invention, the Kenyan teen figured out a way to keep cows and their predators safe. James Duncan Davidson hide caption itoggle caption James Duncan Davidson All Tech Considered A Kenyan Teen's Discovery: Let There Be Lights To Save Lions March 1, 2013 Richard Turere, 13, put his father's cows in a pen at night. That's when the trouble would start. Lions would jump in the shed and kill the farm animals. One night he was walking around with a flashlight and discovered the lions were scared of a moving light. A light went on inside him and an idea was born.