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.

Grassroots organizing tends to be most available to big campaigns, but it's actually most useful to small ones. You can't win a presidential campaign without going on TV, but you can win a local election simply by organizing your community. NationBuilder levels the playing field.

By dismantling the narrow politics of racial identity and selective self-interest, by going beyond 'black' and 'white,' we may construct new values, new institutions and new visions of an America beyond traditional racial categories and racial oppression.

Well Australia's been in Afghanistan from the get go, way back in 2001, but we have been resolute throughout and with support from both sides of Australian politics.

We in the small developing countries are beginning to understand that our own citizens share a common fate requiring the active role of government to ensure that every citizen has a chance and means to participate productively within the society and to curb society's dangerous encroachment on the physical environment.