I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...

Previously, some mathematicians separated the two sides of an equation with a single line; René Descartes favored a sideways ...

The author is an emeritus professor of history at Konkuk University. As I get older without accomplishing much, I sometimes wonder, “What have I been doing all this time?” Looking back, I have ...

The genius who sought biological proof of a soul's existence ...

Raffaelo Maggiotti, a student of Galileo, first described it in writing in 1648. “Cartesian” is a term that may come from the last name of René Descartes, who was a French scientist, mathematician, ...