A damn good question. [With a damn good answer]
A great book review/historical retrospective on 60s radicalism. I think this is an interesting companion to my post on Right-Wing Terrorism in America. I am a bit more sanguine about the possibility of political violence in America on a mass scale, but see Peter Turchin's contribution next.
Peter Turchin makes an attempt to model political instability using history as a guide.
Michael Flynn got a laugh out of me with these.
John Reilly used to say that the guiding spirits of the twentieth century were Freud and Marx and Darwin and Einstein. Steve Sailer only looked at 3 of the 4, so I made another chart with all of them. Darwin worked earliest, and so peaked earliest, but has maintained a steady presence ever since.
Silence is a strange and powerful book, and I think this is a close match to my take on it. Compare and contrast with Paul Miki, whose feast day comes up in just under two weeks.
I don't find it surprising that more women hold patents in drugs, biotechology, and cosmetics, than in automotive and aerospace. But I am a crimethinker. The real mystery here is what is going on in Korea?