While that amendment failed, human cloning continues to advance and the breakthrough in this unethical and morally questionable science is around the corner.

Mothers, unless they were very poor, didn't work. Both of my parents had to leave education. My mother had to work in a cotton mill until 18 or 19, when she took some training in domestic science.

As a theoretical physicist, I feel at once proud and humble at the thought of the illustrious figures that have preceded me here to receive the greatest of all honors in science, the Nobel prize.

You know, there was a time, just before I started to study physical science, when astronomers thought that systems such as we have here in the solar system required a rare triple collision of stars.

Science and vision are not opposites or even at odds. They need each other. I sometimes hear other startup folks say something along the lines of: 'If entrepreneurship was a science, then anyone could do it.' I'd like to point out that even science is a science, and still very few people can do it, let alone do it well.