Berlinski schools Steven Pinker, the famed Harvard cognitive psychologist, on the relevant math, reminding him that “poorly defined problems very often lead to absurd solutions.”
The traditional “Out of Africa” theory is being abandoned as weakly supported by evidence, in favor of a welter of other hypotheses.
He offers as an illustration the widespread skepticism in the physics community toward the possibility of anyone ever building a perpetual motion machine.
Global-warming public intellectuals have warned the media that if they allow skeptics to have a voice in stories, they will boycott giving comment.
A few aspects of this catch my attention as pertinent to our concerns here.