Episode: 1342 The Wright Brothers' fight for priority over Langley.  Today, an attempt to rewrite history.

Episode: 1341 A view of physiology in 1872 -- not that long ago.  Today, let's look at medicine when my grandfather was young.

Episode: 1340 Animals and emotion: figuring out what is obvious.  Today, let's talk to animals.

Episode: 2437 Cooking With Fire In the Colonial Period and Now.  Today, fire in the kitchen.

Episode: 2075 Rudolph Ackerman and his amazing chronicles of 19th-century art and technology.  Today, architectural historian Margaret Culbertson tells us about a great chronicler of technology and art.

Episode: 2382 The Invention of the American Paperboy during the Great Depression.  Today, the invention of the paperboy.

Episode: 1339 The Good Soldier Svejk, a fine organizational model.  Today, an old, but very sound, book on corporate management.

Episode: 1055 Reflections on roller skates, roller blades, and stability.  Today, a strange parable of appearance and reality.

Episode: 1054 In Praise of Bats.  Today, we meet some beleaguered animals that should be our friends.

Episode: 1052 In which wasps teach us to make paper from wood.  Today, wasps try to teach us to make paper.