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How the Heart Works

How the Heart Works

Scott September 16, 2010 9

Note: This is a guest article contributed by a paramedic and fire fighter, Scott. Today I found out how the heart works. I know what you’re thinking; I hope by the end of this

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What the Things You See When You Rub Your Eyes Are Called

What the Things You See When You Rub Your Eyes Are Called

Daven Hiskey September 8, 2010 10

Today I found out what the things you see when you close your eyes and rub them hard are called, namely “phosphenes”. A phosphene is characterized by perceiving some form of light when there

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Why You Generally Shouldn’t Put Metals in the Microwave

Why You Generally Shouldn’t Put Metals in the Microwave

Daven Hiskey August 31, 2010 33

Today I found out why you generally shouldn’t put metals in a microwave. First, it should be noted that it is not unsafe to put all metals in the microwave.  Indeed, you often put

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Why It is Nearly Impossible to Tickle Yourself

Why It is Nearly Impossible to Tickle Yourself

Daven Hiskey August 26, 2010 14

Today I found out why it is nearly impossible to tickle yourself. It’s very hard to tickle yourself because your brain anticipates things going on around you in order to help speed up response

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Why Mint Tastes Cold

Why Mint Tastes Cold

Daven Hiskey August 20, 2010 14

Today I found out why mint tastes cold. Similar to why peppers taste hot, what’s going on here is there is a chemical in mint, menthol, which is tricking the brain into thinking that

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Bananas Are Naturally Radioactive

Bananas Are Naturally Radioactive

Daven Hiskey August 19, 2010 10

Today I found out bananas are naturally radioactive.  This comes from the fact that they contain relatively high amounts of potassium.  Specifically, they contain Potassium-40, which is a radioactive isotope of potassium. The fact that bananas are

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Why Peppers Taste Hot

Why Peppers Taste Hot

Daven Hiskey August 18, 2010 11

Today I found out why peppers taste hot. The heat sensation is caused by capsaicin, which is a colorless, odorless, oily chemical found in peppers.  Capsaicin binds with certain sensory neurons which then more

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Why Mosquito Bites Itch

Why Mosquito Bites Itch

Daven Hiskey August 10, 2010 24

Today I found out why mosquito bites itch. When female mosquitoes poke their proboscis through your skin so they can suck some of your blood to be later used to make eggs, they inject

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What Causes Muscle Soreness After Exercising (Note: It’s Not Lactic Acid)

What Causes Muscle Soreness After Exercising (Note: It’s Not Lactic Acid)

Daven Hiskey August 6, 2010 27

Today I found out what causes muscle soreness after workouts. Since the early 20th century, this specific type of muscle soreness, called “delayed onset muscle soreness” (DOMS), was thought to be cause by lactic

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Turkey Does Not Make You Drowsy After You Eat It

Turkey Does Not Make You Drowsy After You Eat It

Daven Hiskey July 29, 2010 5

Today I found out turkey does not make you drowsy after you eat it. Now to be clear, turkey does contain tryptophan.  Tryptophan is an amino acid which the human body doesn’t naturally produce,

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Shaving Does Not Make Your Hair Grow Back Thicker or Faster

Shaving Does Not Make Your Hair Grow Back Thicker or Faster

Daven Hiskey July 27, 2010 60

Today I found out shaving does not make your hair grow back thicker, stronger, faster, or any other “er”.  In fact, contrary to what parents the world over tend to tell their kids when

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What Hemisphere You Are in Does Not Affect the Way Water Spins Down Your Drain

What Hemisphere You Are in Does Not Affect the Way Water Spins Down Your Drain

Daven Hiskey July 23, 2010 32

Today I found out what hemisphere you are in does not affect the way water spins down your drain. So why do some textbooks, most tour guides, and pretty much all TV shows like

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Humans Have a Lot More Than Five Senses

Humans Have a Lot More Than Five Senses

Daven Hiskey July 16, 2010 128

Today I found out humans have a lot more than five senses.  It turns out, there are at least nine senses and most researchers think there are more like twenty-one or so. Just for

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How the Blind Dream

How the Blind Dream

Daven Hiskey July 12, 2010 22

Today I found out how the completely blind dream. It turns out that if they went completely blind before around the age of 5-7 years old, they will typically dream without any visual experiences. 

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Sugar Does Not Make Kids Hyper

Sugar Does Not Make Kids Hyper

Daven Hiskey July 9, 2010 7

Today I found out that sugar does not make kids hyper.  In fact, it has been proven in numerous studies that it doesn’t affect their behavior at all. In one such study, it was

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Why Popcorn Pops

Why Popcorn Pops

Daven Hiskey July 2, 2010 10

Today I found out why popcorn pops. First a little background, Popcorn or “zea mays everta” is a special kind of Flint corn, also known as “Indian corn” and sometimes “Calico corn”.  Flint corn

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Commercial Banana Plants are Perfect Clones of One Another

Commercial Banana Plants are Perfect Clones of One Another

Daven Hiskey June 22, 2010 6

Today I found out nearly all commercial banana plants are perfect clones of one another and most originate from one single plant from Southeast Asia.   Now to be clear, there are approximately 1000 different

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A Coffee “Bean” is Not Actually a Bean

A Coffee “Bean” is Not Actually a Bean

Daven Hiskey June 18, 2010 16

Today I found out a Coffee bean is not actually a bean, rather it is a seed. Now I know you are saying to yourself right now, “Aren’t beans seeds and seeds beans?”  Surprisingly,

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