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History, Science, Podcast, News, Social JC History, Science, Podcast, News, Social JC

1802: "James Prescott Joule"

Interesting Things with JC #1802: "James Prescott Joule" — In the 1840s, James Prescott Joule used falling weights and spinning paddles to measure how mechanical work produces heat, challenging a leading scientific theory and helping establish the law of energy conservation. His experiments changed how scientists understood energy, and his name became its international unit of measurement.

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1795: “Do Redheads Have Special Powers for Survival?”

Interesting Things with JC #1795: “Do Redheads Have Special Powers for Survival?” - Tennessee tried to execute Christa Gail Pike with pentobarbital, but she survived. An online theory pointed to her red hair, where real genetic differences involving anesthesia and pain offer an unexpected scientific connection, but not an explanation for surviving lethal injection.

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1785: "Why the Desert Floods So Fast"

Interesting Things with JC #1785: "Why the Desert Floods So Fast" – A desert thunderstorm drops rain faster than the ground can absorb it, sending excess water downhill into channels that were dry minutes before. Runoff from across the watershed combines in arroyos, where floodwater can arrive from a storm several miles upstream that never reaches the people standing downstream.

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1783: "Humanity is Unprepared for AI"

Interesting Things with JC #1783: "Humanity is Unprepared for AI" – A student spends years preparing for a career while AI changes the work before graduation. Machines can already help people research, solve problems, and produce results, but employers may need fewer workers as those capabilities expand. Students must choose careers and decide when to trust AI systems that can still invent evidence.

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Science, Podcast, Social, News JC Science, Podcast, Social, News JC

1782: "Why Sound Would Break Apart on Mars"

Interesting Things with JC #1782: "Why Sound Would Break Apart on Mars" – A human voice travels through Mars’s thin atmosphere, but its higher frequencies move faster than its lower ones. Over 100 meters, the higher frequencies arrive about 17 milliseconds earlier, while the atmosphere absorbs them more strongly with distance. The voice grows quieter as its frequencies separate and fade.

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Science, History, Podcast, Social JC Science, History, Podcast, Social JC

1780: "The Hoover Dam Angels"

Interesting Things with JC #1780: "The Hoover Dam Angels" – Visitors rub the bronze toes of Hoover Dam's 30-foot angels for good luck, unaware that the floor beneath them contains a star chart designed to reveal the dam's dedication date thousands of years in the future. The figures stand above an astronomical record that accounts for the slow wobble of Earth's axis.

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Science, Podcast, Social, News JC Science, Podcast, Social, News JC

1777: "Your Mind Controls Your Age"

Interesting Things with JC #1777: "Your Mind Controls Your Age" – Adults who viewed their own aging more positively lived an average of 7.5 years longer in a long-running Yale study. Across other studies, people who felt younger also walked faster and declined less over time, while researchers continue to examine how expectations about aging interact with behavior, health, and longevity.

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