Science »
Does Eye Black Actually Do Anything?
Steven asks: Does eye-black do anything or do people just think it does? For those that don’t know “eye black” is the substance used to make the dark markings athletes place under their eyes
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What Causes Baldness
Have you ever looked at the shiny dome of your grandfather and wondered, “Should I start stocking up on head wax soon?” Statistically at age 30 you will have a 30% chance of going
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Why Nails on Your Fingers and Toes Grow at Different Rates
Aaron asks: Why don’t fingernails grow at the same rate? The short answer is that there is no 100% definitive known reason as to why nails grow at different rates. However, there is a
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Why Hair Turns Gray
Anyone who has watched a President through their term in office knows stress might be a cause for gray hair; the stress/graying hair effect is particularly notable in President Obama. If you have teenagers,
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Why Salt Preserves Meat
Today I found out why salt preserves meat. While today salting meat as a method of preservation is generally only commonly used in such things as salted pork and the like, salt has been
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Is Aloe Vera Really Good For Your Skin?
From Andrew- Is Aloe Vera really good for your skin? Well Andrew, that’s a very good question, but the answer depends on who you ask. There are any number of naturopathic healers who swear
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Chicken Pox Is A Form Of Herpes
Jeane asks: A friend told me Chickenpox is a form of Herpes. Is this true? Yes Jeane, Chickenpox is one form of a Herpes Virus. Most of us are familiar with the 2 sexually
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How the Calorie Content of Food is Determined
Ken J. asks: How is the calorie content in food determined? First, let’s make sure everybody here understands what a calorie is. A calorie is just a measurement of energy- the amount of energy
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The People Who Can’t “See” Faces
The condition is known as “prosopagnosia” / “facial agnosia”, or in less medical terms: “face blindness”. (“Prosopagnosia” actually literally means: “face ignorance”. “prosopon” = “face”, “agnosia” = “not knowing” or “ignorance”). Once thought to
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Why Some People are Right Handed And Some Left Handed
Tristan asks: Why are some people right handed and some left handed? Tristan it appears that there is no single mechanism that will definitively determine which hand you will prefer. Technology and further studies
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