I was reading the Wikipedia article on Inbreeding depression when I came across this: Charles Darwin, through numerous experiments, was one of the first scientists to demonstrate the effects of ...
I don't recall exactly the words he used, but to the best of my recollection Darwin was quite certain that all living things share a common ancestor. First of all, is this correct? Second, and more ...
According to Darwin, the absence of intermediate fossil forms “is the most obvious and gravest objection which can be urged against my theory.” What new fossil finds, if any, have occurred since ...