What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:
But this is not the usual K-drama - this is a "micro-drama", the viral ultra-short format that has been shredding attention online. A single episode can last as little as a minute, but there can be more than 50 of them in a series. They are made vertically, for your phone and your TikTok, Instagram or YouTube feeds.，更多细节参见服务器推荐
（九）征集负面线索。以“代理维权举报”等名义，公开征集涉地方、企业、单位、他人负面信息或商业秘密，用于抹黑攻击、敲诈勒索。，更多细节参见快连下载安装
He draws parallels to chlorofluorocarbons pollutants released from refrigerators that bore a hole in the ozone layer last century, and were eventually banned.
此前据环球网2月4日报道，美国司法部近日公布的超300万页爱泼斯坦案相关文件显示，已故性犯罪者爱泼斯坦声称帮助已故英国物理学家霍金圆了潜水梦。爱泼斯坦称：“当霍金来到我的岛上，说他梦想去潜水时，我用胶带把他的头绑在一把高背椅上，把他装进了一艘私人潜水艇，太好玩了。”（中国青年网青蜂侠Bee、第一财经）