Science fiction writers have made some amazingly accurate predictions over the years, but in 1945 the pace of technological change created a field that spun off of sci-fi forecasting, futurology. Learn all about it with Josh and Chuck in this classic episode.

Selects: Mangroves: Nature's Best Tree?
44:31

How the Kowloon Walled City Worked
41:27

Short Stuff: In-Flight Entertainment
12:23