Motocross by Kathy Galashan. What does it take to be a famous pop star or a footballer worth millions? Ever thought of taking up bungee jumping or white water rafting? Livewire Investigates is a series of thrilling accounts of dream careers, hobbies, sports and even extreme sports! Motocross is a dirty and dangerous sport. It also requires great skill. If you like motorbikes and you want to test your nerves to the limit, then Motocross could be just the sport for you...