24/7 economy's work schedules are family unfriendly, need changes. With 40 percent of the American labor force working mostly during nonstandard hours--in the evenings, overnight, on rotating schedules, or on weekends--workers' family life and health are being adversely affected, according to research at the University of Maryland-College Park. ''Such schedules und... [Science Blog]0000006:55:00 AMcomment []