I started biking on a regular basis last summer. On almost every business trip, I've arranged to use a bike as a way to stay in shape or to commute around a city. And I've taken countless bike-camping trips, most of them in my home state of Minnesota. Last year, during a visit to the Mountain View area in California, I witnessed a bike accident for the first time. It didn't look overly serious -- but then again, getting hit by a car when you're on a bike is always serious, even if you can jump up and brush yourself off.