Like many others who read Malcolm Gladwell’s book “Outliers” when it came out five years ago, I was impressed by the 10,000-hour rule of expertise. I wrote a column (for a different publication) espousing the rule, which holds that to become a world-class competitor at anything from chess to tennis to baseball, all that’s required is 10,000 hours of deliberate practice.
At 8:30 p.m. on Christmas Day 2009, nurse Tiffany Gourley was called to a room at the Windmill Manor nursing home in Coralville, Iowa. She found a 78-year-old male resident who had just had intercourse with an 87-year-old woman. The man, a former college professor, was divorced. The woman, a retired secretary, was married. Both had dementia.
World grain and soybean yields are not growing fast enough to double harvests by 2050, meaning output may fail to meet rising demand without clearing more land for farming, according to a University of Minnesota study.