It's commonly believed that that grandpa has more knowledge than his young whippersnapper of a grandkid. But do wrinkles on the face really relate to wrinkles on the brain?
WHAT'S INSIDE: INSIDE THE MIND
- The Human Brain
Money can buy important stuff like food and shelter, which brings a smile to anyone's face. But after you cross a certain financial threshold, how much happier can a new Jaguar and a Versace bag really make you?
Think musicals are cheesy? You're not alone. But even the most cynical among us can't deny that hearing a favorite song can completely change our mood.