Pack your PJs, toothbrush and favorite pillow: A trip to a sleep lab often involves an overnight observation and some electrode-monitored snoozing. But what can the lab tell you about your sleep patterns?
When a well-timed joke or a clever cartoon tickles your funny bone, specific areas of your brain react to spread that mirth throughout your system. Can scientists use this knowledge to create a universal formula for comedy?
If you've ever dashed into the grocery store to pick up a tube of toothpaste, you've likely been stopped in your tracks by the sheer amount of options available. So why does having more options make it so much harder to make the right choice? Read on to find out.
We'd like to think we're pretty clever, but when you correct for body mass, dolphin brains aren't far off from our own. What cognitive skills do dolphins possess, and could they really be our intellectual equals?
Once scientists discovered that some members of the great ape family could recognize their reflections in mirrors, academics began to wonder whether these animals were actually conscious of themselves. That debate continues today.
Studies show that women are more sensitive to pain than men, despite their bodies' ability to withstand the agony of childbirth. Does social conditioning help men keep a stiff upper lip when they're hurt? Or do emotions and estrogen factor into this painful equation?
The trials of being a lefty are numerous. You jostle for elbow room at the table, use scissors that feel funny in the hand and are teased for writing oddly. But do beleaguered lefties get the last laugh in sports?
Think about how you would describe yourself to a stranger. Would you emphasize your keen sense of humor or physical features you're fond of? Or would you spend more time on supposed "trouble spots"? Your answer largely depends on your mental picture.