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To The Best Of Our Knowledge

Tony Perrottet specialized in exotic travel until he decided to go to Rome, then travel the sites of the ancient world using classical Roman tour guides.

To The Best Of Our Knowledge

Walter Hamady is the proprietor of the Perishable Press Limited, and among the most celebrated American printers of fine, limited edition books.

To The Best Of Our Knowledge

If you've spent any time playing Tetris, you've probably spent a lot of time playing it. Tetris is simple yet addictive.  Your job is to fit falling geometric blocks together so that there are no spaces between them. Box Brown has spent alot of time playing and thinking about Tetris. He's written and illustrated a graphic history of the world's most popular video game.  It turns out that Tetris has a fascinating backstory. 

To The Best Of Our Knowledge

Eric Carson is a geomorphologist — which, as he describes it, is basically a "double major" in geology and geography. Some time ago he and a few colleagues started asking a question about a geologic shelf where the Mississippi meets the Wisconsin River. The results could have meant nothing, or they could have meant a major new revelation about the Mississippi's historical path to the ocean.

To The Best Of Our Knowledge

What compels someone to commit acts of terror? Anthropologist Scott Atran has spent a decade talking with jailed suicide bombers and jihadist leaders. He says they're motivated by core human values: brotherhood, loyalty and the dream of a better world.

To The Best Of Our Knowledge

Biologist Steven Austad is so confident human beings will soon live to be 150 years old that he’s bet on it with a colleague: Jay Olshansky, who says we’re already living way past our expiration date!

To The Best Of Our Knowledge

The idea of a universal basic income is getting serious consideration these days from governments -- in Switzerland, Finland, even Kenya. Could it get traction in the U.S.? Absolutely, says journalist Rutger Bregman.

To The Best Of Our Knowledge

Susan Friedman tells Anne Strainchamps about her friendship, initiated and maintained via e-mail over the internet, with a young woman scholar in Iraq.

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