Carl asks: What happens if you are sleep walking and you kill someone? Anyone who has ever tried to reason with a sleepwalker knows they can seem to be awake, yet have bizarre and irrational behaviors. Stubborn during the best of episodes, and inconsolable, unreasonable and intense in the worst, it is not hard to imagine these walking dreamers acting […]
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Stefan asks: Why do we still have pubic and armpit hair when we lost most of the rest of the hair on our bodies? What purpose does it serve? It’s a biological mystery that has perplexed humanity through the ages – especially in recent times when so many of us go to such great lengths to remove it. What useful […]
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Have you ever been in a dark place, say a movie theatre or a room with all the blinds close, and walked outside into the daylight when, all of a sudden, you begin to sneeze uncontrollably? You had no runny nose or desire to sneeze prior to this exposure to sunlight, but you just can’t help that big achoo? If […]
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On December 21, 1898, Marie and Pierre Curie discovered the radioactive element radium (in the form of radium chloride), extracting it from uraninite. They first removed the uranium from the uraninite sample and then found that the remaining matter was still radioactive, so investigated further. Along with the barium in the remaining substance, they also detected spectral lines that were […]
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mgh23 asks: Why is toilet paper always white? Toilet paper is an odd thing. Despite the fact that we often rub it against one of the most sensitive parts of our bodies on a daily basis, very little thought is ever given to where it came from or how it’s made. (On that note, it might surprise you to learn […]
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James asks: Why does it hurt so much when you step on legos with bare feet? Right up there with how the gun on the original Duck Hunt game worked, why it hurts so much to step on a Lego brick is one of the questions we’re asked the most, so it’s high time we answered it. As anyone who’s […]
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In April 1851, Alfred C. Hobbs boarded the steamship Washington bound for Southampton, England. His official duty was to sell the New York City-based company Day and Newell’s newest product – the parautopic lock – at a trade show – London’s Great Exhibition. But Hobbs had something a bit more nefarious up his sleeve, or rather in the small trunk […]
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What Would Jesus Do?, often shortened to WWJD? or W.W.J.D. is a slogan so famous that millions of objects have been emblazoned with it. However, the person who came up with “W.W.J.D.” never saw a penny of the millions of dollars companies across the globe have made from it. The earliest known instance of the full slogan “What Would Jesus Do” […]
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Lake Peigneur is located in Louisiana near the Gulf of Mexico. Before 1980, it was an approximately 10-foot deep fresh water lake with an island in the middle. Next to it, and partially under it, Diamond Crystal Salt Company maintained a salt mine, with salt being mined near the lake since 1919. Around large underground salt domes, you can often […]
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Today I found out what makes a boomerang come back. Non-returning boomerangs have been used for at least 20,000-30,000 years, with the oldest known example carved from a mammoth’s tusk. These non-returning boomerangs were used for hunting and were carved for straight flight and to stay in the air as long as possible when thrown correctly. The hunter was then […]
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Candie asks: How is the Pope chosen? When a pope goes to his eternal reward or otherwise retires, there are certain traditions that are dusted off each time to elect his successor. Only the British royal family can rival the Vatican when it comes to (seemingly) ancient and elaborate rituals, so you know it’s going to be a big production. […]
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Kaiden asks: What causes the dark circles under my eyes when I’m tired? It is often claimed that periorbital dark circles are caused by tiredness or working too hard or even just staying up late. While this can be true, the truth is that your genes play a huge role here. So what exactly is happening when you get dark […]
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Since ancient times, the fusion of man and wolf has been the stuff of legend and folklore (“wer” was the word for “man” in old English, with “man” being completely gender neutral). Virtually every culture across the globe has its own werewolf mythology, with this beastly shape-shifter being one of the oldest monsters to terrorize humans. Werewolf legends span so […]
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The Statue of Freedom sitting atop the dome of the U.S. Capitol building in Washing D.C. has more alternate names than the obscure half of the Wu Tang Clan. Over the years, the names attributed to it have ranged from things like “Freedom Triumphant in War and Peace” to the far simpler, “Armed Freedom“. However, the one, common thread is […]
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Phosphorus is an essential element for life. Forms of it are found in DNA, RNA, and all living cell membranes. It is the sixth most abundant element in any living organism. Phosphorus can also be highly poisonous and combustible (white phosphorus is used in many destructive weapons, such as napalm). It was also the first element discovered since ancient times. […]
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On July 23, 1983, in the small town of Gimli, Manitoba, Captain Robert Pearson and Co-Pilot Maurice Quintal expertly glided a 100-ton Boeing 767 carrying 69 people to a safe landing without engines, air brakes or flaps, and minimal control of the aircraft. Bad Math The flight plan for Canada 143 that day began with a short jaunt from Montreal, […]
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Joe T. asks: What causes the smell after rain? There are three primary sources of smells that commonly occur after rain. The first, the “clean” smell, in particular after a heavy thunderstorm, is caused by ozone. Ozone (scientifically known as trioxygen due to the fact that it is comprised of three oxygen atoms) is notably pungent and has a very […]
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Image via Everett Collection / Shutterstock.com Image via s_bukley / Shutterstock.com 741: Golden Globe winner Richard Harris, today perhaps best known for his role as Albus Dumbledore in the first two Harry Potter films before his death preceding the release of The Chamber of Secrets, wasn’t just an extremely accomplished actor, but also a successful musician. He even had a […]
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