The discovery of a human settlement in Australia dating back 49,000 years has challenged theories about when the world's oldest continued civilisation came to the country, the archaeologist who made the find said on Thursday.
Democrat Hillary Clinton accused Republican Donald Trump of racism, sexism and tax avoidance on Monday, putting him on the defensive during a debate that a snap poll said boosted her White House chances.
Donald Trump and Hillary Clinton square off Monday for their first presidential debate, a hotly anticipated cage match between a political veteran and an inveterate showman that seems likely to smash US television records.
Three presidential candidates back ideas to rein in Fed; Yellen, Fed board criticise proposals, defend status quo; some Fed insiders suggest compromises to preserve independence
