WHY do we see twinkling stars?

13 Likes, 6 Comments

WHY does the British Queen lack of a passport?

13 Likes, 9 Comments

WHY are sweet foods sticky?

13 Likes, 6 Comments

WHY do cats purr?

12 Likes, 5 Comments

WHY don't mice like cheese?

12 Likes, 3 Comments

WHY is yawning contagious?

12 Likes, 8 Comments

WHY does a log not sink in water?

12 Likes, 5 Comments

WHY cannot we feel the air pressure?

12 Likes, 5 Comments

Why do we sneeze

11 Likes, 7 Comments

WHY do runners get off to a low start

11 Likes, 5 Comments

WHY does a dolphin sleep with one eye open?

11 Likes, 6 Comments

WHY do we have bad breath in the morning?

11 Likes, 6 Comments

WHY are the veins blue if the blood is red?

11 Likes, 6 Comments

WHY are clouds white at night?

11 Likes, 6 Comments

WHY does meat have to "rest" after cooking? ?

11 Likes, 3 Comments

WHY is the power of machines measured in horsepower?

11 Likes, 3 Comments

WHY does the Eiffel Tower grow 15 centimeters in summer?

11 Likes, 5 Comments

WHY do bears hibernate?

11 Likes, 8 Comments

WHY is a rainbow shaped like an arc?

11 Likes, 3 Comments

WHY do calculators start at the bottom and the phone starts at the top?

10 Likes, 6 Comments

WHY is soap easier to wash off with warm water?

10 Likes, 5 Comments

WHY do men and women hear sounds differently?

10 Likes, 3 Comments

WHY is a dog's nose wet and cold?

10 Likes, 3 Comments

WHY do human fingernails and hair keep growing after death?

10 Likes, 4 Comments

WHY are there no thunderstorms or lightning in winter?

10 Likes, 4 Comments

Why does motion sickness occur?

10 Likes, 4 Comments

WHY does the wind blow up a fire, but not a match?

10 Likes, 5 Comments

WHY should a tree frog not be picked up?

10 Likes, 4 Comments

WHY does a bruise appear and changes its color?

8 Likes, 2 Comments

WHY does fire come in various colors?

8 Likes, 2 Comments