There is something refreshingly intriguing about this latest viral optical illusion which tests viewers to try their best to determine whether or not their brains belong among the “top one percent.” There is something refreshingly intriguing about this latest viral optical illusion which tests viewers to try their best to determine whether or not their brains belong among the “top one percent.” Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle