Tag Archives: On the Origin of Species

When Darwin was wrong

John Hayman Victoria, Australia   Fig. 1. The Parallel Roads of Glen Roy, as would have been seen by Darwin. (Photo by Bev Biggs.) Charles Darwin (1809-1802) is rightly famous, not for the discovery of evolution but for revealing the mechanism by which it may occur, natural selection. He not only formulated this idea, but […]

Charles Darwin’s illnesses

There is a prevalent consensus that most of Charles Darwin’s lifelong symptoms are not attributable to organic disease.1-5 It would seem unlikely that he contracted chronic Chagas disease in South America, because his symptoms began before he ever set foot on the HMS Beagle.2 His various complaints were intermittent, many improved with age, and he […]