Scientific proof that short people have one advantage over tall people

Scientists have discovered that shorter people burn more energy when they walk than tall people do. By measuring how people of various heights and ages walk, researchers discovered something odd: We all walk the same way, regardless of height. In other words, if you scaled a five-year-old up to adult height, their… » 11/12/10 9:15am 11/12/10 9:15am