For the study, an independent high school in Rhode Island delayed morning classes from eight o'clock to eighty-thirty.

VOA: special.2010.07.07

She was nineteen. Those who knew Ida Tarbell in college say she would wake up at four o'clock in the morning to study.

VOA: special.2010.04.25

The team examined results from a Norwegian study of more than nine hundred people with C.O.P.D.

VOA: special.2009.06.23

Jack O'Sullivan, chief executive of campaign group Fathers Direct said the study showed there had been a "revolution" in fatherhood.

BBC: Fathers want more time with children

Judy O'Sullivan, cardiac nurse at the British Heart Foundation, said the study added to the evidence that alcohol in moderation provides some protection for the heart.

BBC: NEWS | Health | Alcohol 'quickly' cuts heart risk