On June 7, 1912, Lieutenant Roy Kirtland took off from a field outside College Park, Maryland in a Wright Model B, the first aircraft ever purchased by the American Army Air Services. To his right sat Captain Charles Chandler, a Lewis light machine gun cradled between his legs. As Kirtland banked the aircraft 300 feet over the field, Chandler took […]
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Magnets are everywhere. Just about every electronic device uses them including the speakers you’re using to listen to me talk right now. Deriving their name from the Greek Island of Magnesia, magnets have come to play an integral part of our modern world. As anyone whose ever watched a certain particularly powerful mutant of the villainous variety do his thing […]
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If you were born in the United States in 1900 you had about a 1 in 3 chance of dying from an infectious disease. If you were one of the unlucky third, 40% of you would die before the age of 5. In fact, the top three causes of death were infectious disease at this time- namely, pneumonia and flu, […]
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If Daredevil has taught us anything, it’s that, while a closely guarded secret within the blind community, blind people inevitably all become superheroes after losing their sight thanks to their other senses being insanely enhanced. But when talking the real world, does this enhancing of one’s other senses really occur when the lights go out permanently? Well, for those who […]
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Ever wonder how the 20/20 and 6/6 vision scales work? Well, wonder no more. With approximately half of adults requiring some form of corrective eyewear to compensate for visual impairment of various forms, chances are you have had your eyesight graded on the 20/20 or 6/6 scales before. If you haven’t, you have probably heard other people saying they have […]
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Katie O/ asks: How much caffeine would someone have to drink to be fatal? There have been numerous deaths attributed to excessive caffeine ingestion. So if you happen to be a person who loves coffee and energy drinks, you might want to know approximately what amount you should avoid drinking on a given day. So how much caffeine would it […]
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There are several different types of blood. Contained within them are different types of cells and countless molecules that give our bodies the needed nutrients to work effectively. The two main types of cells within the blood are red and white blood cells. Red blood cells make up nearly 45% of your blood volume. White blood cells make up less […]
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silentrob asks: Is it true that beards grow faster in the winter than they do in the summer? A commonly touted notion is that your hair will grow faster, be thicker, and otherwise naturally longer in the winter time thanks to the supposed evolutionary benefit to help keep you warm in the colder months. But is this actually true? And […]
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If you’ve spent virtually any time on the interwebs, and particularly lurked in the social media areas of this marvel of human ingenuity, you’ll no doubt at one point or another come across the fact that many women have living male cells hanging out in their bodies, including in their brains. The most common explanation, according to social media, for […]
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el_juano asks: Is it possible for someone to get infected with cancer from someone else? In an oversimplified nutshell, cancer is, to quote cancer.gov, a disease “in which abnormal cells divide without control and can invade nearby tissues.” Given its propensity to spread and divide in an uncontrolled manner throughout a person’s body, it brings up the question of whether […]
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MasaC asks: Why do fingernails on a chalkboard make us cringe? Few sounds cause humans to cringe more than nails across a chalkboard, a fork scraped on a plate, or a heavy metal chair dragged across a tiled floor. But what exactly is it about this sort of scraping noise that is so offensive to our brains that many even […]
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L.I.A.L asks: Why do we have moles all over our body and what do they do? Moles, in general, are simply an abnormal grouping of cells called melanocytes. Melanocytes are the cells responsible for giving your skin its pigment. They reside in the basal layer of your skin, and overall, have a surprisingly uniform distribution. Their density will vary depending […]
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Mindy N. asks: After a long run my leg muscles are tired, but my heart is not. Why doesn’t the heart need any rest? An average of around 60 to 100 times every minute of every day of every year of your ultimately meaningless life, your heart beats… until it doesn’t. Not long after it stops, all knowledge of your […]
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In the early 1960s, international communications were limited to transmissions through undersea cables or occasionally unreliable radio signals bounced off of the ionosphere. As you might imagine from this, many in the Western world weren’t too keen on the state of the situation given that were to someone, say, the Soviet Union, cut those cables before launching an attack, international […]
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Hippiekiyay asks: Do pets care if you leave the radio on when you leave? A survey of about 2000 British dog owners conducted in early 2017 found that around 40% of dog owners admitted to leaving the radio on when they left the house so that their dog wouldn’t be lonely, while another 32% admitted that they did the same […]
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Astryx_x asks: Do suppressed memories actually exist? We’ve all seen it in movies- a character will be going along in their lives blissfully unaware of some extremely traumatic event in their long distant past… that is, until a bit of syrup dribbles onto their cheek and they are transported back in their mind to that time they were abducted by […]
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Randrew asks: Why do people say the human soul weighs 21 grams? It’s often said that it’s impossible to put a price on a human life, but that doesn’t necessarily mean you can’t define it by other metrics, something physician Duncan MacDougall tried to do in the early 20th century by setting up an experiment to discern the weight of […]
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Contrary to popular belief, a decent percentage of the human population has known definitely the Earth was roughly spherical for over two thousand years. Hardly impressive, as noted in our BrainFood Show podcast, bees also use this fact in their own absurdly fascinating navigation and in communicating directions to other bees. As for humans, we took a little longer to […]
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