Today’s optical illusion is set to give your brain a workout, so are you ready for the challenge? Hidden among a sea of "43s" and "34s" is a single "45"—but can you spot it? This tricky brain teaser ...
Nicole Herling was praying for brain disease. That's rarely happy news. But for her, it offered a potential answer to a haunting question: why, in less than a year, had her brother transformed from a ...