Mildred Harnack was an American literature professor living in Berlin when the Third Reich took control. Learn how she and her husband led a resistance ring that enraged Hitler in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/mildred-harnack.htm Find the book 'All the Frequent Troubles of Our Days' here: https://www.rebeccadonner.com/

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It's true that lobsters don't age, but that doesn't quite make them immortal, and it's far from the only fabulously weird thing about them. Learn about lobsters -- including why they're biologically immortal, and how that might help human health in the future -- in this episode of BrainStuff, based on these articles: https://animals.howstuffworks.com/marine-life/400-pound-lobster.htm; https://animals.howstuffworks.com/marine-life/10-weird-facts-lobsters.htm

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Both of these terms are actually valid, though they have slightly different meanings, and only one of them is based in sailors' slang. Learn the history of 'jury-rigged' and 'jerry-rigged' -- and how to use them correctly -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/jury-rigged-vs-jerry-rigged.htm

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