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1732: "Sir Bryan Thwaites - The Man Who Changed How We Learn Mathematics"

Interesting Things with JC #1732: "Sir Bryan Thwaites - The Man Who Changed How We Learn Mathematics" – A Cambridge mathematician leaves a prestigious research career to redesign how mathematics is taught, replacing outdated classroom methods with ideas like vectors, matrices, and graph theory that spread through schools across Britain and shaped how millions of students would learn for generations.

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1723: "Ancient Roman Laundry"

Interesting Things with JC #1723: "Ancient Roman Laundry" - Roman laundries cleaned clothing by stomping it in vats of aged urine because the ammonia removed grease and stains. Public urinals supplied the industry, and the trade became valuable enough for the Roman government to tax it before anyone understood the chemistry behind why it worked.

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1713: "How Do You Catch Legionnaires' Disease?"

Interesting Things with JC #1713: "How Do You Catch Legionnaires' Disease?" – Fifty-four people are diagnosed with Legionnaires' disease in two Manhattan neighborhoods as investigators test cooling towers across the area. Legionella genetic material appears in systems at 31 buildings, but finding the bacterium and finding the source are not the same thing.

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1711: "Why McDonald's Coke Tastes Different"

Interesting Things with JC #1711: "Why McDonald's Coke Tastes Different" – McDonald's serves Coca-Cola using refrigerated stainless steel syrup tanks, insulated delivery lines, filtered water, and a fountain calibrated for melting ice while a wider straw changes how the drink reaches you, creating a different experience long before the first sip.

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