Leonardo De Vinci was fascinated by flight and dreamed of various flying machines. He was realistic enough, though, to consider the risks and thought that brave men who strapped on wings should...
The April 1907 issue of American Medicine featured a paper by Dr. Duncan Macdougall describing his experiment whereby the beds of dying patients were placed on a sensitive balance. Believe it or...
When we’re told a condition we have is “genetic”, it’s tempting to think it means our parents had it, and their parents before them, all the way up to some mysterious Eve-bites-the-apple event. But...
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