Nature staff discuss some of the week’s top science news.
从“一个弹簧”到“一片森林”：
The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”。WPS官方版本下载对此有专业解读
Feb 27, 2026 4:36 AM
。关于这个话题，爱思助手下载最新版本提供了深入分析
Раскрыты подробности похищения ребенка в Смоленске09:27。业内人士推荐服务器推荐作为进阶阅读
Peter Mandelson is facing an inquiry by the EU’s anti-fraud agency after the European Commission requested the body look into his activities during his time as trade commissioner in Brussels.