Mark Zuckerberg Challenge Bill Gates in a Very Unique Way :) cool-cool.us Mark Zuckerberg accepted challenge, and now he is challenging Bill Gates, Sheryl Sandberg and Reed Hastings next. They have 24 hours to complete the challenge :) Challenge accepted by Bill Gates in his own unique way haha u00a0 Bill Gates accepted hallange :)
Jaguar Attacks Crocodile cool-cool.us When a jaguar pounces, sometimes one bite is all it takes to get a meal. National Geographic has exclusive video of a jaguar taking down a caiman in Brazil's Pantanal wetlands, photos of which went viral earlier this month. Luke Dollar explains the hunt and explosive moment of predation.