USA Today – Matthew Diebel
“Many Americans are downright lazy. And it’s making us fat. That’s among the findings of a study by Stanford University researchers using step-counters installed in most smartphones to track the walking activity of about 700,000 people in 46 countries around the world. Scott Delp, a professor of bioengineering who co-led the research, told the BBC the “study is 1,000 times larger than any previous study on human movement.” (more)