Brain hacks seem to be everywhere these days.
This article is about sports vision training, which can improve reactions to fast-moving objects, something that would certainly come in handy for competitive athletes. Sports vision training improves speed and accuracy using arcade-style games, virtual reality to strengthen the muscles around the eye, as well as to boost the link between the eyes and the brain.
The same technology is used to rehabilitate people who experience vision problems after a concussion.
Cool stuff.