Happy National Bike Week!

Why do people always look so happy riding bicycles? Is it because of the wind in their hair? The fact that biking cuts down on air pollution? Maybe it's just because riding a bike makes anyone feel like a kid again. Cities across the country are installing bike lanes and finding that not only does bicycling positively impact public health, it also spurs economic growth along the routes. If you haven't been on a bike for a while, now is the time hop on. May 13-17 is National Bike Week. Still feeling wobbly? Here's some inspiration.
-Sarah B. Weir, Yahoo Shine