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To The Best Of Our Knowledge

Nicholas Rogers is a historian at York University in Canada and the author of “Halloween: From Pagan Ritual to Party Night.”  He says that Halloween has both pagan and Christian roots and that the modern holiday once involved more treats than tricks.

To The Best Of Our Knowledge

Odessa Piper is the chef and proprietor of L’Etoile Restaurant in Madison, Wisconsin and a champion of cuisine prepared from locally available food.

To The Best Of Our Knowledge

Mary Roach is the author of “Stiff: The Curious Lives of Human Cadavers.” She reads from the book and talks about observing an anatomy class.

To The Best Of Our Knowledge

Robert Laughlin tells Steve Paulson that physicists are an eccentric bunch. He should know.

To The Best Of Our Knowledge

Can street musicians change the world?

To The Best Of Our Knowledge

With federal immigration reform discussions stalled, we're thinking about borders this week. One project is tyring to put a face to the rising number of children who are making the journey alone, and illegally, into the United States. Encarni Pindado is Director of MigraZoom, which helps migrants tell their own migration experience through photos.

See a slideshow of MigraZoom photos.

To The Best Of Our Knowledge

Joe Regenstein teaches food science at Cornell.  He tells Steve Paulson about the rigorous inspections involved in getting a food accepted as kosher.

To The Best Of Our Knowledge

What if digital communication felt as real as being touched?

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