The research suggests that as the population ages, new cut-off points are being drawn.

BBC: Middle age begins at 55 years, survey suggests

Hamilton's lead over McLaren team-mate and defending champion Fernando Alonso was cut to four points after he slid off in the season's penultimate race.

BBC: SPORT | Motorsport | Formula One | No more slip-ups, vows Hamilton

Boston cut a 26-point deficit to four points twice down the stretch, but failed to pull off one more improbable run.

WSJ: Celtics' comeback fades in 88-80 loss to Knicks