Ore. cyclists survive encounter with Alaska bears

A mountain biker from Portland says he and his companions survived a hairy encounter with a grizzly sow and her two cubs on Alaska's Kenai Peninsula. Full story

Attack creates worries in West about sheep dogs

Two sheep dogs' attack on a Colorado mountain biker has prompted ranchers in the West to seek better ways to manage the large dogs that protect their herds against predators. Full story

Mountain biking can be as risky as football, diving: study

NEW YORK (Reuters Life!) - High speeds, extreme terrain and long vertical drops might be making the increasingly popular sport of mountain biking as risky as football, diving and cheerleading, according to a Canadian study. Full story