Add Yahoo as a preferred source to see more of our stories on Google. Research shows that crossword puzzles are effective in improving memory. (Getty Images) (artisteer via Getty Images) There is no ...

Our sensory contact with external reality is limited by the narrow ranges that our sense organs can register. We can see only a small part of the electromagnetic spectrum mostly because Earth’s ...

What is the relation between the mind (thoughts, perceptions, sensations, emotions) and the physical body? The traditional answer, assumed by all religions that believe in an afterlife, is dualism: ...

The Harvard Business Review conducted a series of studies to try to understand why Americans are "so impressed by busyness" and found that the "more we believe that one has the opportunity for success ...