A study of all injuries resulting in Major League Baseball players being put on the disabled list finds that most injuries occur before the All-Star break, and that pitchers are more at risk than non-pitchers. New York Yankees pitcher Andy Pettitte h

发表于:2019-01-02 / 阅读(47) / 评论(0) 分类 60秒科学

New York Yankees pitcher Andy Pettitte had to leave Sundays game against Tampa in the third inning because of a strained groin. He thus slightly beat the odds. Because his injury happened after the All-Star Game, which was last Tuesday. And a new stu

发表于:2019-01-08 / 阅读(32) / 评论(0) 分类 Scientific American(七)月

From NPR News in Washington, I'm Carol Van Dam. President Obama appeared at a middle school in Madison, Wisconsin this past hour to challenge states to get their education priorities in line with his administrations educational goals, if they want a

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 2009年NPR美国国家公共电台11月

From NPR News in Washington, I am Carl Kasell. Voters in Virginia, Maryland, and the District of Columbia are next up to have their say in the presidential nomination race. They go to the polls today. NPR's Audie Cornish reports. While Washington D.

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 2008年NPR美国国家公共电台二月