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.

Wind developers have realised the importance of transparent method of price discovery, which was demonstrated in the solar sector. They realise that bidding brings in efficiency, and tariff is right-sized.

I've always been just as interested in making people think as I am in making them feel, and one of the things this scientific process allows me to do is make the audience look differently at dance.

When I was about 9 years old, I became very interested in the human body and diseases. In general, I was just curious about the world around me. I think that any sort of curiosity as a child is a good beginning to a career in science because science, at least to me, is a continuous exploration of the unknown.

The knowledge and understanding of the world which science gives us and the magnificent opportunity which it extends to us to control and use the world for the extension of our pleasure in it has never been greater than it now is.