Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

Gain-of-function research (GOFR) refers to the serial passaging of microorganisms to increase their transmissibility, virulence, immunogenicity, and host tropism by applying selective pressure to a ...

中新经纬1月12日电 据《纽约时报》报道，知情官员透露，美国哥伦比亚特区联邦检察官办公室已就美联储华盛顿总部翻修项目，以及美联储主席鲍威尔是否就该项目向美国国会作伪证一事，对鲍威尔展开刑事调查。 报道称，调查包括对鲍威尔公开声明的分析 ...

Bill Whitaker is an award-winning journalist and 60 Minutes correspondent who has covered major news stories, domestically and across the globe, for more than four decades with CBS News. Aliza Chasan ...