2. The background music played in restaurants is mostly to make the food taste better.

3. Dimitri Raslaudras, a Greek gymnast at the 1896 Athens Olympics, is the youngest athlete in the modern Olympic Games, having been only ten years old at the time.

4. Seahorses are the only animals in the animal kingdom where the male is the one who gives birth.

5. Male penguins give female penguins smooth pebbles as tokens of love. If the female penguin agrees to date, she will take the stone home.

6. Crocodiles eat stones to aid digestion and also to adjust their buoyancy in the water.

7. Most boars may never actually mate in their lifetime, dedicating their entire sexual happiness to artificial sows and rubber gloves.

8. According to scientists, people with messy desks are more creative.

9. Monkeys do not have professional midwives, but they will help their companions give birth, just like humans do.