As female hormones decrease, they're replaced with an overwhelming urge to grow delphinium.

I believe without a single shadow of a doubt that it is necessary for young people to learn to make choices. Learning to make right choices is the only way they will survive in an increasingly frightening world.

I always set out to tell a good story, to create a character that young people can relate to, place them in a situation that will be interesting, intriguing, eventually suspenseful. But what I find is that after I do that, then there are themes that emerge, which teachers can then use to provoke discussion and debate.

When you lose a child in an accident as I did, it's final - you're not caught in this longing for him, to search for him, knowing he's out there some place.

I have been connected with the Niels Bohr Institute since the completion of my university studies, first as a research fellow and, from 1956, as a professor of physics at the University of Copenhagen. After the death of my father in 1962, I followed him as director of the Institute until 1970.

I believe very strongly, and have fought since many years ago - at least over 30 years ago - to get architecture not just within schools, but architecture talked about under history, geography, science, technology, art.

Innovations in science and technology are the engines of the 21st-century economy; if you care about the wealth and health of your nation tomorrow, then you'd better rethink how you allocate taxes to fund science. The federal budget needs to recognize this.

I would write a scientific paper with the devil, if it was on high temperatures. The fellow's probably an authority.