This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Invention of the Piano The names that come to mind at the mention of the Italian Renaissance are the likes of Medici, Da Vinci, and Galileo. Few, however, know the name Bartolomeo Cristofori, an accomplished craftsman who lived and worked […]
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On April 17, 1955, the greatest scientist of his generation checked himself into Princeton Hospital due to chest pains. By early the next morning, Albert Einstein had died from an abdominal aortic aneurysm – the rupture of the aorta, the heart vessel that’s the body’s main supplier of blood. While word was still getting out that the great Dr. Einstein […]
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Noah A. asks: Why do roosters crow in the morning? Next to the bark of a dog or the gentle meowing of a cat, the crow of a rooster is one of the most recognisable animal noises on Earth; but why exactly do roosters feel the need to crow and is there any truth to the idea that they crow […]
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For years, the knife was the most commonly used tool to sharpen the wooden writing instrument known as a pencil (which historians believe was invented in the 15th or 16th century). But whittling the wood away to eventually produce a point was a time-consuming, tedious, and inexact process. As pencils became more ubiquitous in everyday life, it became apparent that […]
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Matt T. asks: I was in southern California a while back and managed to pick up an AM radio station from Washington, but only at night. I’ve experienced the same thing at night in Washington picking up an L.A. radio station. In the day, it doesn’t work. So my question to you is why do radio signals seem to travel […]
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The names that come to mind at the mention of the Italian Renaissance are the likes of Medici, Da Vinci, and Galileo. Few, however, know the name Bartolomeo Cristofori, an accomplished craftsman who lived and worked during that era. You may not know his name, but you do know his greatest invention- the “harpsichord with loud and soft,” better known […]
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“In fourteen hundred and ninety two, Columbus sailed the ocean blue…. Today, Christopher Columbus is celebrated as a mythical hero by some – complete with songs, poems, and fictional tales about his great adventure across the Atlantic to explore the majestic land that would eventually be known as the Americas. There are fifty four communities named after the explorer in […]
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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. 20 Interesting Dr. Martin Luther King Jr. Facts 1) His name was originally Michael, not Martin. His father was also Michael King, hence why Martin Luther King Jr. was originally named Michael King Jr. However, after a trip to Germany in […]
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Jesus M. asks: Is there any real cheese in cheese whiz? As America gets ready for their upcoming Super Bowl parties (or Royal Rumble party, if that’s your thing), Cheez Whiz – the yellowish-orange, gooey, bland tasting “cheese” product – will surely make an appearance at some of them. But what is Cheez Whiz? Why did get it invented? And […]
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Scott S. asks: When you look at pictures of individual snowflakes, the snowflakes are clear. I was just wondering why is snow white and not clear then? First, it’s important to understand what’s going on when we see certain colors. Visible light from the Sun or other light source comes in a variety of wavelengths that human eyes interpret as […]
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Abi K. asks: What does the postal service do when a package is mailed with no valid recipient’s address and no return address? According to the USPS, mail can be considered “undeliverable” due to a number of factors ranging from insufficient postage to the person it’s addressed to refusing to accept it. Regardless of the reason the mail cannot be […]
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Nineteenth century America was a good time to be inventor. With the right timing, invention, marketing, and patent, one could become rapidly rich. Elias Howe (the sewing machine), Samuel Morse (Morse code), and Cyrus McCormick (the mechanical reaper) were just a few of the pioneers who reaped the financial rewards of their business acumen. Despite being the inventor of one […]
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Gracen R. asks: Why is someone who is lazy called a couch potato? If you want to call someone lazy, a time-honoured way to do so would be to call them a “couch potato”. But why is it we compare lazy people to potatoes and why on Earth did some random guy own the trademark rights to such a silly […]
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Matthew L. asks: Who invented the rubber band? Cheap, reliable, and strong, the rubber band is one of the world’s most ubiquitous products. It holds papers together, prevents long hair from falling in a face, acts as a reminder around a wrist, is a playful weapon in a pinch, and provides a way to easily castrate baby male livestock… While […]
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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. Why Popcorn Pops First a little background, Popcorn or “zea mays everta” is a special kind of Flint corn, also known as “Indian corn” and sometimes “Calico corn”. Flint corn is readily recognizable as the kernels have a hard outer shell, […]
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David A. asks: What exactly are smelling salts? Do they really work to wake up unconscious people? Smelling salts have been used for everything, from reviving those who have fainted to athletes needing a chemically-induced “wake up.” But what are smelling salts? Are they actually an effective medical treatment? How do they work? Are they toxic and dangerous? Smelling salts […]
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Who was the wealthiest person in every century? That was a question we tried to answer in a previous TIFO article. While it was an incredibly difficult question to get definitive answers to, it did reveal that the wealthiest private entity in the 19th century was actually not a person – but a family. The Rothschild family, descendants of Mayer […]
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This is a continuation of our new series on the Popes, starting from the beginning and working to today, attempting to separate fact from fiction and fleshing out interesting details about these individuals’ lives. Check out more in this series here. To say that the history of the early Roman Catholic Church isn’t well known would be an understatement; in […]
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