20-year-old claims $451 million jackpot, hopes to 'do some good for humanity'

20-year-old claims $451 million jackpot, hopes to 'do some good for humanity'  ABC News Florida winner of $451m jackpot will do 'good for humanity'  BBC News 20-year-old Florida man claims $450 million lottery jackpot  CNNMoney Florida man, 20, steps forward to claim $450 MILLION Mega Millions prize - after reacting 'Oh. My. God' to his win  Daily MailFull coverage