Chief Executives in the Cockpit—When Presidents Take to the Skies

Attila the Hun and Genghis Khan loom large in Western popular consciousness as two of history’s most fearsome warrior-leaders. Chroniclers referred to them as “The Scourge of God” and “Universal Lord”...

4 Syys 20171h 1min

There are few episodes in history that are so misunderstood as the condemnation of Galileo. His trial has become a stock argument to show the fundamental clash between science and dogmatism. Turns out...

1 Syys 201711min

According to legends of the Middle Ages, knights used the chastity belt on their wives as an anti-temptation device before embarking on the Crusades. When the knight left for the Holy Lands, his Lady ...

31 Elo 20176min

If you want to be a French king who is also named Louis, then you have to slap enough Roman numerals at the end of your name to look like an encrypted message. Why are so many French kings named Louis...

30 Elo 20177min

Doctors love to say that eight hours of nightly rest is vital to good health. But did people in the past get this much sleep, more, or less? And how did the lack of a lightbulb affect their sleep cycl...

29 Elo 20177min

Pirates are popular these days: they adorn our favorite brands of bargain-basement rum and populate beloved Disneyland rides and multibillion-dollar film franchises. But who were these men and women w...

28 Elo 20171h 7min

It's good to be as rich as a Rockefeller. John—the patriarch of the family—rose from a lowly Ohioan bookkeeper to the leader of Standard Oil, which owned 90 percent of America's petroleum until it was...

25 Elo 20177min

Scientific progress has moved steadily forward across much of the world for centuries, with few examples of abatement. The Scientific Revolution is often considered to have begun at Copernicus's 1543 ...

24 Elo 201711min