No Silly Walks

The British journal "Nature" features research into how we get around most efficiently. Good old walking is most efficient at strolling speed, while running is will get you there faster, easier. For the gait wonks, see this Flash video of walking vs. running strides from the National Science Foundation.
Wondering if you walk right?
How to Walk
How to Walk Uphill
How to Walk Downhill
10 Walking Mistakes to Avoid