Andrew M. asks: What causes Saint Elmo’s Fire? For those not familiar, “St. Elmo’s Fire” is a name for the glow that looks like blue/violet fire surrounding the top of pointed metal objects during a storm. This phenomenon can trace its name back to an Italian saint “Sant ‘Ermo” or “St. Erasmus” around 300 A.D., the patron saint of early […]
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Mike A. asks: What is the difference between bees, wasps, and hornets? There are many similarities and differences between our little wing-whipping friends. For starters, all can sting you. That said, you may derive some solace in the fact that when certain of them sting humans, they die- not so when they sting many other animals. The barbed stingers on […]
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Shawn asks: Do cow farts really significantly contribute to global warming? There are currently approximately 1.3 to 1.5 billion cows grazing, sleeping, and chewing their cud at any given time on planet Earth. And these 1,300 pound (average weight for both a beef and dairy cow) animals eat a lot. Much like humans, when they eat, gas builds up inside […]
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Sue T. asks: My sister told me Sherlock Holmes was based on a real person. Is this true? In 1887, Doyle published the novel “A Study in Scarlet.” It was the first work to star Sherlock Holmes and Dr. Watson. It was also the first record of a magnifying glass being used as a tool of investigation. “A Study in […]
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Sam asks: If you gave a color blind person something like LSD or some other sort of hallucinogenic drug, would they see colors they couldn’t before? First a little primer on colour blindness from the good people at ColorBlindAwareness.org: Most color blind people are able to see things as clearly as other people but they unable to fully ‘see’ red, […]
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Jennifer asks: Why is a donkey and an elephant associated with the Democrats and the Republicans? The donkey is stereotypically bumbling, slow, and stubborn; the elephant– big and clumsy. Being compared to one of these animals is not exactly flattering in this sense. Yet, for well over a century, they have been the popular symbols of America’s major political parties […]
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Matt asks: In an organ or blood transplant/transfusion, does the donor’s DNA get kept and integrated into the new host? Depending on the type of donation, the DNA stays for a short time, a long while, or maybe even forever. Chimerism and Microchimerism Scientists have known for years that a single organism can have cells that are genetically distinct. Sometimes, […]
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M. Havens asks: Where did the Taps song come from that is played during military funerals? Since 1862, “Taps” has played at military funerals to honor the sacrifice of fallen service members. Originally, however, it was intended to send soldiers off to a less permanent sleep. During the Civil War, Union buglers signaled “lights out” to their comrades with a […]
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Karla asks: Why do we need sleep? It left Hamlet’s father vulnerable to fratricide, sent Alice down the rabbit-hole, enabled Delilah’s betrayal of Samson and facilitated Gregor’s transformation into a giant beetle. Yet without sleep, we can become dull, slow and irritable in the short-term, and chronic insomnia can cause migraines, seizures and even, in extreme cases, death. Although we […]
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Greg H. asks: Diseases from Europe wiped out most of the Indians, so why didn’t the Europeans also get wiped out by diseases from America? While estimates vary, approximately 20-50 million people are believed to have lived in the Americas shortly before Europeans arrived. Around 95% of them were killed by European diseases. So why didn’t 19 out of 20 […]
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Jill T. asks: My dad told me Professor Moriarty in Sherlock Holmes was based on a real person. Is this true and if so, who? Genius and philosopher, with a “brain of the first order,” Professor James Moriarty was the most dangerous criminal Sherlock Holmes ever grappled with. Over the years, several real-life masterminds have been suggested as the inspiration […]
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Every spring, a sort of illness strikes millions of Americans. Symptoms include screaming uncontrollably in celebration, panic sweating, obsessing over hastily filled-out brackets, sitting motionless in front of a television for hours, and wearing the bright colors of a college individuals attended many years ago. It’s called “March Madness” and it’s arguably the most popular sporting tournament in America. But […]
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Scott asks: What’s the difference between hares and rabbits? Is it just two names for the same thing? Rabbits and hares are often confused for one another, so much so that to many the two names are interchangeable in casual conversation. When you learn that jackrabbits are actually a type of hare, and that there’s a breed of rabbit called […]
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Amanda asks: What is gluten and why is it bad for you? These days, just casually strolling down a grocery aisle, one can find a multitude of gluten-free products. From gluten-free whole grain bread to gluten-free beer to gluten-free Betty Crocker chocolate brownie mix, the market for food items without gluten has exploded over the past decade. But is gluten […]
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Our resident medical expert, Scott, and a buddy of his recently started The Medicine Journal, where you can learn all sorts of interesting facts about all things medical related. Below is a sample article from their new site. Most of us have probably laughed at someone on television getting shocked by a stun gun. They tense up and fall to […]
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Jeremy R. asks: Why do they bother sterilizing the needles when executing people? Besides the fact that manufacturers sterilize the needles (so no real extra effort is needed), other sterilization procedures are also used in these executions for good reason. You see, a stay of execution may happen at the last minute. If this happens, but then the condemned later […]
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Martin A. asks: Where did the expression “nothing to sneeze at” come from? For that matter, why is sneezing called sneezing? Thanks! As with so many etymologies, it’s difficult to definitively say exactly where the word ‘sneeze’ comes from, but it is generally thought that it started with the Indo-European word ‘penu’ – to breath. Eventually, this evolved into the […]
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S. Katz asks: Who is Stanley and why is there a cup named after him? Thanks! The oldest championship trophy in professional sports in North America, the Stanley Cup’s rich history is only matched by that of it’s namesake. Lord Stanley of Preston Sir Frederick Arthur Stanley was born into one of England’s richest families in 1841 and could trace […]
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