Andrea Doolan, CEO and co-founder of UCC spinout Atlantia Food Clinical Trials, discusses the company's rapid growth in Chicago

Fifteen people protesting against a decision not to indict the police officer who fatally shot 18-year-old Michael Brown have been arrested outside the Ferguson police department.

Thousands of Oprah Winfrey’s fans gathered in Chicago to help the talk show host celebrate the 24th season of her show with a public taping that included performances from the Black Eyed Peas and Jennifer Hudson.

From an Antarctic research base and the Great Pyramids of Egypt to the Empire State Building in New York and the Sears Tower in Chicago, illuminated patches of the globe went dark for Earth Hour, a campaign to highlight the threat of climate change.