Last year, I spoke at a TEDx Youth conference -- to an audience of smart, motivated high school...
Blog
Punctuated Equilibrium: Natural History’s Pattern, and History’s Too
Biologists no longer consider evolution a steady or gradual process. New traits often spread...
The Least Violent Time Ever? Now.
This post's title alone will offend many readers. And I'll make it worse by telling you that the...
America’s Founding Fathers Offered an Escape from Guns
America's gun lobby says private ownership of firearms prevents tyranny. That's why the Founding...
The “Entail,” Primogeniture, and Why Matthew Inherits Downton Abbey
The Downton Abbey TV series begins with a predicament for the Earl of Grantham. Earl Robert has no...
Cities, Creativity, and Why the World Will Never Be Flat
How have cities thrived and spread for the last five thousand years when they labor under such...
Hand-Drawn Map of the Classical Mediterranean
Below is one of the three maps that will appear in The Jericho River. (You can see a version with...
Why Did so Many of History’s Kings Marry their Sisters?
Why did kings marry their sisters in so many historic societies, like ancient Egypt, Hawaii, the...
Town and Garden: Words Across Time
The English word "garden" sounds like the Serbian and Russian suffixes grade, grad, and gorod, all...
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