If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans.

I would rather be right than rigorous.

Time and space are finite in extent, but they don't have any boundary or edge. They would be like the surface of the earth, but with two more dimensions.

Doing a job RIGHT the first time gets the job done. Doing the job WRONG fourteen times gives you job security.

Now, radical forward thinking is offering hope for the future: Replacement body parts to order. A team of scientists in California believe that if you can design them on a computer, you should be able to print them out.

One cannot really argue with a mathematical theorem.

With genetic engineering, we will be able to increase the complexity of our DNA, and improve the human race. But it will be a slow process, because one will have to wait about 18 years to see the effect of changes to the genetic code.