Why do we blink with both eyes simultaneously ? Interesting questions, not answered by anyone without the help of Google . Here are some more. Why do we laugh when something funny happens? We may think it is just obvious that laughter as opposed to,let's say, scratching one's ear or hiccuping is the appropriate response to humour, but why is it? Why are some female shapes sexy and others not? Isn't it obvious? Just look at them! But that is not the end of it. The obvious and most automatic responses to the world do indeed shout out that they are a part of "human nature," but that still leaves the question of why ? Well then does anyone know the answers to really basic questions ? Do they even care to rack their brains ? Do they care to explore on their own ? Do they experiment on their own so that they can cough up som...