We've all got a blind spot, but it can be shrunk

You've probably never noticed, but the human eye includes an unavoidable blind spot. That's because the optic nerve that sends visual signals to the brain must pass through the retina, which creates a hole in that light-sensitive layer of tissue. When images project to that precise location, we miss them. Now researchers reporting in the Cell Press journal Current Biology on August 31 have some good news: this blind spot can be effectively "shrunk" with training, despite the fact that the hole i...