It's just about Thanksgiving here in the US; a special time during which we count our blessings. And this year, Tangents is giving you an extra thing to be thankful for: Stefan's our special guest!

Our long lost co-host returns to talk to us about wings: birds love to use 'em, people love to eat 'em, and planes need them too, I guess. Sit around the table with us, won't you, as we pass out some heaping helpings of science knowledge. Pass the gravy!

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