List of Contributors

Factoid from the encyclopedia

Q. What modern piece of office equipment helped foil a coup attempt in the Soviet Union in 1991?
A. The fax (facsimile) machine. People found out about the coup attempt through faxed information and activists filled the streets of Moscow until the takeover attempt collapsed.

Podcasts

Why were there no wheeled vehicles in America before Columbus?

Why did Africans domesticate cattle and donkeys, but not zebras?

Bernie Carlson discusses "Technology in World History."

The kiwi fruit and globalization.

The paradox of the pyramids

Why Chinese coins have square holes

Technology and world history