If there is life on other planets, why haven’t they contacted us?
This question was answerd by explaining that aliens are as far away from us as we are from them, & they don't believe we exist just like we bearly believe that they exist. It also was answerd by critisising the person to to come up with the question.

Is time travel possible?
The answer for this question was YES, and quick quidlines for time traveling to the past and to the fututre, by stating that the important question was what to take with you.

What is the Large Hadron Collider?
This is a tunnel under france and switzerland, wich might turn into a black hole.

Which counts more: nature or nurture?
The answer was "nurture" and the author claims that "If one is looking good, one is feeling good." I believe this is true we should nurture to get what we need and be treated the same in return.