Do You Know Why?

Sometimes simple looking things are not so simple.  I  found these questions just now when I was stumbling upon site.  Well to tell you the truth, I tried to answer these trivia's but I did not have much luck.  If you can come up with answer of any of these questions, do let me know me too :-). All the best!!

• Why do we press harder on a remote control when we know the batteries are flat ?
• Why do banks charge a fee on "insufficient funds" when they know there is not enough?
• Why does someone believe you when you say there are four billion stars, but check when you say the paint is wet?
• Why doesn't glue stick to the bottle?
• Why do they use sterilized needles for death by lethal injection?
• Why doesn't Tarzan have a beard?
• Why does Superman stop bullets with his chest,but ducks when you throw a revolver at him?
• Why do Kamikaze pilots wear helmets?
• Whose idea was it to put an "S" in the word "lisp"?
• What is the speed of darkness?
• Are there specially reserved parking spaces for "normal" people at the Special Olympics?
• If you send someone 'Styrofoam', how do you pack it?
• If the temperature is zero outside today and it's going to be twice as cold tomorrow, how cold will it be?
• If people evolved from apes, why are there still apes?
• If it's true that we are here to help others, what are the others doing here?
• Do married people live longer than single ones or does it only seem longer?
• If someone with a split personality threatens to commit suicide, is it a hostage situation?
• Can you cry under water?
• What level of importance must a person have , before they are considered assassinated instead of just murdered?
• If money doesn't grow on trees then why do banks have branches?
• Why does a round pizza come in a square box?
• How is it that we put man on the moon before we figured out it would be a good idea to put wheels on bigger suitcases ?
• Why is it that people say they "slept like a baby" when babies wake up, like, every two hours?
• If a deaf person has to go to court, is it still called a hearing?
• Why do people pay to go up tall buildings and then put money in binoculars to look at things on the ground?