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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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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This is yet another great article from our friends over at The Medicine Journal Migraines are one of four types of primary headaches, and they come in two forms, those with an aura and those without. The other three primary headaches are tension headaches, cluster headaches and, the catch-all type known as, other primary headaches. These include things like exercise […]
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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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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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This is yet another great article from our friends over at The Medicine Journal– Jessica asks: Is it true there are ways to target losing the fat around your stomach? If so, how? A quick internet search will yield countless claims of ways to remove the unwanted fat from around your mid-section. From over-hyped diet pills promising to reduce levels […]
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Derek asks: Is it true that a T-Rex couldn’t see you if you didn’t move? If so, how do scientists know this? In the immensely popular movie Jurassic Park, there’s the famous scene where the giant T-Rex is attacking a jeep during a thunder storm. As it attacks, Dr. Alan Grant, a self-respecting paleontologist, yells, “Don’t move! He can’t see […]
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Brandon asks: Why can’t you use blood from someone who has a different blood type than you? Hot, cold or just plain bad, throughout history, people have used blood as a metaphor to describe their changing moods. One aspect of blood, however, is immutable – its type. Since each blood type carries unique characteristics that can wreak havoc in the […]
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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 site. Almost everyone has felt them at some point in their life. Doctors will generally tell you they’re nothing to be concerned about, just […]
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Robin asks: Why do armpits smell bad compared to other parts of your body? Those millions of bacteria have to live somewhere. Sweat and Odor There are two universally-accepted types of sweat glands. Eccrine Glands The most abundant of the sweat glands, eccrine are found on most of the body and secrete a sweat that is: “A sterile, dilute electrolyte […]
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Kyle asks: Why do we get old? Gray hair, memory loss, wrinkles and brittle bones, sooner or later, each of us gets old (if we’re lucky). Yet scientists tell us that there is no evolutionary reason for us to age. So, why do we? The Aging Process Researchers do not agree as to the causes of aging. Some claim our […]
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On May 16, 1960, Theodore Maiman shined a high-powered light at a ruby partially coated with silver and the result was the world’s first laser. This groundbreaking device, however, was not created by a single genius in isolation. Rather, it was the result of many brilliant minds sharing ideas . . . at least until it was time to divvy […]
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Karla asks: Why does aspirin prevent heart attacks? The wonder drug once gleaned from the bark of a willow tree is today used to help prevent heart attacks and strokes. But not everyone benefits from daily aspirin therapy. What is Aspirin? As early as Hippocrates (400 BC), people were harvesting willow to treat pain. Today, aspirin is: “Acetyl salicylic acid […]
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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 site. Have you ever seen the toenails of your grandfather and thought he might be a troll? Those yellow, misshapen and brittle nails tend […]
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Joel asks: Why do humans cry? Anti-bacterial, nutrient-rich, usually involuntary and often stress relieving, crying benefits more than just our eyes. Physiology of Tears Tears are a product of the lacrimal system, which: Has secretory and excretory functions that produce tears and drain them. The main lacrimal gland, located between a shallow depression in the frontal bone and the eyeball, […]
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Eleven thousand years ago, one saucy canine got busy and, as can happen with unprotected sex, gave its partner a venereal disease, although uniquely, this VD was cancerous. Over the course of the intervening millennia, that second dog, its partners, and its partners’ partners, all did what dogs eventually do, each spreading the disease, which has continued to retain some […]
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For centuries, before refrigeration, an old Russian practice was to drop a frog into a bucket of milk to keep the milk from spoiling. In modern times, many believed that this was nothing more than an old wives’ tale. But researchers at Moscow State University, led by organic chemist Dr. Albert Lebedev, have shown that there could be some benefit […]
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