We have plenty of young women coming into biology and medicine, but we don’t have enough coming into physics and engineering. It’s a really weird thing because, of course, all these subjects are completely neutral."

I find humanism to be the most rational and positive philosophy for life. And it’s not a new thing at all - the history of humanist thought is deep and inspiring.

The real hallmarks of humanity are: curiosity and an amazing ability to cooperate.

Science offers us the possibility of understanding natural rhythms and events that must have seemed like the work of angry and unpredictable gods to our ancestors.

It would be a mistake to believe that environmental protection and economic growth are mutually exclusive.

Without international participation, jobs and emissions will simply shift overseas to countries that require few, if any, environmental protections, harming the global environment as well as the U.S. economy.

Our politicians debate this, but our scientists don't. A huge majority of climate scientists say climate change is happening. They say we're causing it and we need to do something about it before it has a terrible effect on all of us.

If Canadian companies want to sell products to the E.U., they have to prove those products conform with E.U. product safety, health and environmental rules. This involves extra bureaucracy, controls and paperwork. If the U.K. had a Canada-style deal with the E.U., U.K. companies would have to do the same.