A typical max walking speed for an athlete in his or her early 50s would be about 2.3 meters per second or faster. For an 80-year-old athlete, it would be about 2 meters per second. A good ...

A new definition of obesity could dramatically increase the number of Americans with the condition The increase was driven by ...

Old milk jugs and pool noodles are standard materials for repurposing, but check out what you can do with items like books ...