By Leonardo Rocha, Americas editor, and Sean Seddon for BBC News
Andretti Global makes key engineering hire in bid to earn a spot in Formula 1
Berkshire Hathaway event gives good view of Warren Buffett's successor
Kyle Larson and Denny Hamlin, the dominant NASCAR Cup Series drivers, could have a blooming rivalry
Human remains were found at a former Hitler base, but decay prevents determining the cause of death
Victims of UK's infected blood scandal to receive final compensation payments
Nutrition experts add traffic light health labels to famous food paintings
Skye Wheatley hosts reunion with her I'm A Celebrity co
A subset of Alzheimer's cases may be caused by two copies of a single gene, new research shows
John Swinney expected to lead Scotland after being confirmed as Scottish National Party leader