Galton
emjohnson | July 14, 2009On this day 76 years ago (July 14, 1933) a sterilization law was passed in Nazi Germany, known as Gesetz zur Verhütung erbkranken Nachwuchses (Law for the Prevention of Genetically Diseased Offspring). Any German was a target if they were found to be suffering from a range of perceived hereditary ailments, such as congenital mental deficiency, schizophrenia, manic-depressive insanity, epilepsy, Huntington's chorea, blindness, deafness, any severe hereditary deformity or even severe alcoholism. Official pronouncements insisted that these individuals were a drain on the German people, both…
bioephemera | March 1, 2009
image by Mike Rosulek
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It's a classic question: if Charles Darwin had known about Gregor Mendel's genetic research, would Darwin have realized it was the missing piece he needed to explain how individual variation was inherited and selected? Was it simply bad luck that Darwin never stumbled on the right experiments? Or was Darwin so constrained by his own perspective on inheritance that he couldn't have seen the importance of Mendel's work, even if he had known about it?
Jonathan Howard has written an intriguing overview of this question. He argues that…