And yet you're still required to lean them at school. I've forgotten quite a few, but I still remember some.

1: An egg is a cell. The yolk is the nucleus, the goo is the cytoplasm, the outer shell is the cell wall, and the thin layer between the egg and the shell is the cell membrane. Acually, all eggs no matter what animal they come from are cells. I'd continue on this topic but... some people are too immature.

2: In order to walk, spiders pump blood to their front legs which shoot the legs outward.

3: Malaria is only carried through female mosquitos. In humans, it's a tiny parasite that attaches to your blood cells and causes them to explode. In mosquitos, it's a tiny parasite that lives in their gut.

4: Every time you learn something new, you get another wrikle in your brain.

5: Hiccups are caused by your diaphragm twitching. The diaphragm is a muscle that helps you to breath.

6: Putting bread in a bread box only makes it mold faster. Mold like dark places.

7: When you blush, the inside of your stomach turns red, too.

8: Red hair is a recessive trait.

9: Your brain can understand vowels better when you look at what's being said.

10: The scientific name for human is Homo sapien.

11: Eating dessert between meals is healthier than eating it after.

12: Sweat is made with the same substances of urine. Urea, water, and salt.

13: Saliva is 90% water.

14: Japanese is an easy language. It's hard for English speakers to learn Japanese though, because their both very different.

15: During Taliban rule in Afganistan, if a girl was caught in school she'd have acid thrown in her face.

16: Mickey Mouse's first word was "Hot dog!"

17: 40% of all Americans can trace back to a relative who went through Ellis Island.

18: If all 6 billion people on Earth were given 5 feet of space around them, every single one could fit in the state of Rhode Island alone. Rhode Island is the smallest state in America.

19: Prsident Abraham Lincoln grew a beard because a girl suggest he grow one because she thought it'd make him "less ugly."

20: The wait to go into part of the Holocaust Museum in Washington DC can be up to a whole year.