Climate change is an obvious example. It used to be the case that the crowd thought one a bit nutty to be sceptical about the warmist agenda, but it now mainstream for intelligent people, and even a few governments, to doubt that we all heading helter-skelter for a fiery hell because of the increased amount of carbon dioxide in the atmosphere. And course now we have passed the 400 ppm threshold without ill effect, the idea of beggaring ourselves for no good reason is more or less dead on its feet. More interesting is that the new evidence is that there is more vegetation in the world these days, and in particular the rainforests are growing, because of course carbon dioxide is very good for plants.
Then human genetics. Not many years ago at all it was the universally accepted view that all people in the world had a identical genetic make-up. A result of the mapping of the human genome and the analysis of Neanderthal remains has meant that it is now fully accepted in scientific circles that Caucasians interbred with Neanderthals and Africans did not – hence a 4% genetic difference in origin. Continue reading