Trust your gut … but only sometimes

When faced with decisions, we often follow our intuition — our self-described “gut feelings” — without understanding why. Our ability to make hunch decisions varies considerably: Intuition can either be a useful ally or it can lead to costly and d…

Sleep makes your memories stronger

As humans, we spend about a third of our lives asleep. So there must be a point to it, right? Scientists have found that sleep helps consolidate memories, fixing them in the brain so we can retrieve them later. Now, new research is showing that slee…