6 feet social distance 的来源 （科学家慎入）

看看这个Seinfield和Letterman的对话：

For years we’ve been trying to figure out the true origin of the “6 feet” of social distance guidelines. We knew it wasn’t based on science and that there was no data supporting it. But we didn’t know where it actually came from, until now. pic.twitter.com/03gMiBo8nN — Eli Klein (@TheEliKlein) June 17, 2022

https://twitter.com/TheEliKlein/status/1537611902880296961?cxt=HHwWgsC9maH42NYqAAAA

He is so much fun.