Is the pen really mightier than the keyboard? I know a professor who begins each semester by pointing out that, according to聽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.聽Believe it or...
When we鈥檙e told a condition we have is 鈥済enetic鈥�, it鈥檚 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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