Simon Singh spotted the equation on a Homer Simpson blackboard. Had Homer just solved one of the toughest puzzles in math? His solution, crazily, seemed "valid" — so Singh checked Homer's numbers.
As testing for doping in sports becomes more sophisticated, so do the drugs. Looking at the recent history of cycling can make you wonder how many cheaters continue to slip by undetected.
Just in time for Mother's Day, a study coming out next month says that paternity leave has become hugely important for guys.
Why do we prefer Coke over a generic cola? Psychologist Paul Bloom tells the TED Radio Hour's Guy Raz that we come to believe something is better because we're told that it is.