disturbing facts; dogs bark at strangers because they want to protect you; The only part of your reflection you can lick is your tongue; The brain not only named itself but also recognized that it named itself and was surprised when it realized that; When you're sick the advice you get is to literally do drugs and stay out of school; People's general happiness peaks at 21 and doesn't reach that level again until they retire; Over 50% of commercial pilots have admitted to falling asleep while flying a plane; Apollo 11 only had around 17 seconds of fuel left when it finally landed; People who stay up late at night have more psychopathic tendencies than those who sleep early; The average person walks past 36 murderers in their lifetime; there is the last you play your favorite video game