For decades, Barbara Walters has been described as a broadcast pioneer - and with good reason. In 1974, Walters became the first female host of the 'Today' show. In 1976, she became the first woman to serve as a network-news anchor. In 1984, she moderated the first presidential debate between Walter Mondale and Ronald Reagan.

Most people prepare for travels by reading about their destination; it always seemed an odd approach to me. I find it much easier and more pleasant to focus with the sights and smells of a place rattling around in my mind.

It is a remarkable fact that smallpox, a scourge for thousands of years, has now vanished from the earth, except for two tiny vials, one locked in a highly secure facility at the Centers for Disease Control, in Atlanta, and another stored in a similarly secure vault in Siberia.

The history of agriculture is the history of humans breeding seeds and animals to produce traits we want in our crops and livestock.

There are lots of come-from-behind wins, games getting tied in the last period, teams going on to win. That, I think, tells the best story. Whether or not some teams have more grit, better chemistry, or more luck or more skill, it's still within the parameters. I think that makes for great storytelling and great interest for our fans.

I decry the current tendency to seek patents on algorithms. There are better ways to earn a living than to prevent other people from making use of one's contributions to computer science.

Among intellectuals who consider themselves 'scientific,' the phrase 'the nature of man' is apt to have the effect of a red flag on a bull.

I was always fascinated by science-fiction shows, shows like 'Star Trek' and 'Lost in Space.'