Scientists link three human brains together, force them to play Tetris

The ability to read someone else's mind is a staple of science fiction and superhero plot lines dating back decades, but it's obviously never been close to reality. A new study by a team of neuroscientists using a tool they dub "BrainNet" doesn't change that, but it does take us one tiny step closer, and that's pretty cool. The team, which has submitted their work in a paper awaiting publishing, describes how they managed to connect the brains of three different people and allowed them to commun...