The people who can turn streetlights off just by walking by

Ever had a streetlight go out, or come on, just as you walk under it? Most people have, and yet it's so consistently seen as a strange and selective occurrence that it has earned its own name (Street Light Interference Syndrome), a group of people who claim to do it on cue, and an actual physical explanation. » 2/08/13 5:00pm 2/08/13 5:00pm

What is "blood doping," and why does it matter?

Any time someone breaks a record, people inevitably bring up the possibility that they had some illegal enhancements. Just yesterday, gold medalist Ye Shiwen was accused of "blood doping" to improve her performance. You may be familiar with steroids and other drugs — but what on Earth is "blood doping?" And why would… » 8/01/12 7:00am 8/01/12 7:00am