This Day in History: July 21st- The “Destruction of All the World”

This Day In History: July 21, 365 CE The impact of a catastrophic earthquake and mega-tsunami on July 21, 365 CE devastated Peloponnesus, the Greek Islands, Sicily, Cyprus, Libya, Palestine and Egypt. It completely leveled major cities and killed thousands of people. It also changed the topography of the Mediterranean region and, to some extent, the course of history. The […]

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Bonsai!

Long before the bonsai art form of creating miniature trees came to Japan, the wealthy in China were perfecting their craft known as “penzai” and “penjing.” The former means “tray plant” and the latter “tray scenery.” It is from the Japanese pronunciation of “penzai” that the word “bonzai” ultimately derives- “bon” meaning “tray-like” and “sai” meaning “planting.”  (The Japanese equivalent […]

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Weekly Wrap Volume 89

This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Truth About Your Flammable Farts Contrary to popular belief, it’s probably not methane leaking from behind that reckless “bros” light on fire (known as pyroflatulence); rather, it’s most likely primarily hydrogen. In a typical, healthy body, human farts are comprised […]

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The Vandals and Vandalism

The English word vandalism derives from the French word, vandalisme, and was first seen in print in 1794 when the Bishop of Blois, Henri Grégoire, included the term in a report of the mayhem, and in particular the destruction of art, that occurred during the French Revolution. Vandalism itself was a modification of vandal, a word that in English dates […]

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What Happens When You Freeze Water In a Container That Won’t Let It Expand, Why a Baker’s Dozen is 13 Instead of 12 and More…

In this week’s “best of” our YouTube channel, we discuss what happens when you freeze water in a container that won’t let it expand, why figure skaters don’t seem to ever get dizzy when they spin, how smoke detector’s work, and the fascinating story behind how the dwarf planet Pluto got its name.  Be sure and subscribe to our YouTube […]

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How Bees Make Queens

In this video from the crew at SciShow, they answer the question of how bees make queens along with mentioning a lot of other fascinating facts about our little stinging friends. If you like this video, be sure and subscribe to their channel here. You can also join us in supporting their efforts to make more videos like this by […]

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The Origin of the Color Belt Scheme in Martial Arts

White, yellow, orange, green, blue, purple and black, the colors of martial arts belts denote student development, skills and experience. However, contrary to popular belief, using colored belts to denote rank or ability in martial arts is a relatively recent invention in the otherwise ancient arts- one that was only introduced around the turn of the 20th century. Much of […]

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