Add Yahoo as a preferred source to see more of our stories on Google. Getty Images Spotted an orb and think it may have some type of spiritual meaning? It could, depending on a ton of factors. Orbs ...

This is Part 3 of a four-part blog series exploring how the brain generates meaning. In Parts 1 and 2, I traced meaning from its origins in goal-directed life forms through its implementation in ...

People have puzzled for centuries over why exactly we have the dreams we do. While some chalk it up to random neural activity, others believe our dreams reveal our subconscious thoughts, feelings, and ...