Is the pen really mightier than the keyboard? I know a professor who begins each semester by pointing out that, according to this one study, students perform better on tests when their notes were...
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...
Way back in 1771, Swedish chemist Karl Wilhelm Scheele was investigating the properties of a mineral known as fluorspar (calcium fluoride). He mixed the pulverized rock with sulfuric acid and...
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