Flotsam and Jetsam

Marcus asks: Where did the words flotsum and jetsum come from? Bumping into a rock or a reef, war, swamped by rough weather or high waves, pilot error or pirates, there are a variety of ways a ship can sink. After it does, depending on whether it floated out on its own, was thrown overboard or sank to Davy Jones […]

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Weekly Wrap Volume 82

This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Truth About the Surprisingly Recent Invention of the Tea Bag, and the Women Who Really Invented It Legend says that brewing tea dates back to around 2737 BC, when tea leaves fell into water being boiled for Emperor Shennong of […]

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Podcast Episode #395: Wrong to Be Right

In this episode, you’re going to learn about the origin of a very interesting “law” on the internet about the humorous best way to get an answer on the web, as well as what this has to do with Wikipedia. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by […]

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Saccadic Masking

Unknown to most, thousands of times each day we momentarily lose sight of the world around us. Known as saccadic masking, it is a function of the brain protecting us from suffering through blurred images that would otherwise be produced when our eyes move or shift. A saccade is a rapid eye movement between the places where the eye rests […]

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Blackboard Chalk Isn’t Chalk

Ubiquitous in many classrooms since the 19th century, chalk and chalkboards are familiar to most of us. White, powdery and prone to sticking to those surfaces where it is put (and just as easy to wipe away), chalk and its accompanying board are excellent instructional aids. Notably, however, most chalk today isn’t technically chalk at all, but gypsum. Chalk and […]

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Podcast Episode #394: The Whistling Language

In this episode, you’re going to learn of a rather unique language made up entirely of whistles, and why the people who came up with this language are thought to have started using it in the first place over more traditional verbal communication. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find […]

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What’s Up with Clouds

In this video from MinuteEarth, created by Henry Reich et al, you’re going to learn how clouds form. If you like this video, go check them out and subscribe to their channel here. You can also join us in supporting their efforts to make more videos like this by donating via their Patreon page here. If you liked this video, […]

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The Perfect Town

The town of Celebration was first loosely imagined by Walt Disney himself, though the current town differs wildly from Disney’s original idea. Whereas Disney pictured a “perfect” futuristic city where technology blended seamlessly with real life and all possible needs were taken care of, an idea that served as the basis for the Epcot theme park in Disney Land, Michael Eisner (the CEO of Disney at […]

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Podcast Episode #391: Saving Basketball

In this episode, you’re going to learn about the tiny tweak to the game of basketball that saw it go from a dying sport, to one of the most popular professional sports in the world. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by going here: Daily Knowledge Podcast

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