He put his young mind to work and Joshua Johnson , 13 , has found an innovative way to protect his family 's cattle from lions . He invented ` ` Lion Lights , '' which keeps the predators away from the family 's cattle . The Kenyan boy will speak about his work at the TED ##x conference .
Joshua Johnson , 13 , has found an innovative way to protect his family 's cattle from lions . He invented ` ` Lion Lights , '' which keeps the predators away from the family 's cattle . The Kenyan boy will speak about his work at the TED ##x conference .