biology »

Dolphins Don’t Breathe Automatically

Dolphins Don’t Breathe Automatically

Daven Hiskey July 22, 2011 6

Today I found out that dolphins don’t breathe automatically, rather it is always consciously done. An interesting consequence of the fact that they need to be conscious to control their breathing is that they

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The Effects of Scurvy

The Effects of Scurvy

Daven Hiskey December 31, 2010 5

Yar me maties, today I found out what be causing scurvy. Like most people, I already knew that scurvy is caused by a lack of vitamin C and that it was a major problem

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Why Poop Is Brown

Why Poop Is Brown

Daven Hiskey November 22, 2010 29

Today I found out why poop is brown. Poop is brown due to bile from your gall bladder being metabolized by the bacteria in your intestines.  This results in a byproduct called stercobilin, which,

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Why Fingers Wrinkle in Water

Why Fingers Wrinkle in Water

Daven Hiskey November 8, 2010 19

Today I found out why fingers wrinkle in water. For the quick answer, water washes away an oily substance that protects your skin.  When that happens, a certain type of dead cell on your

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What Causes Ice Cream Headaches

What Causes Ice Cream Headaches

Daven Hiskey September 28, 2010 5

Today I found out what causes ice cream headaches. While many theories on what exactly causes ice cream headaches or “brain freezes” have existed for some time, it has only been very recently that

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A Shrimp Is One Of The Loudest Animals On The Planet

A Shrimp Is One Of The Loudest Animals On The Planet

Noreen September 24, 2010 8

Today I found out that a tiny shrimp known as the Snapping Shrimp or Pistol Shrimp, is on one of the loudest creatures in the World. This tiny shrimp species (Alpheus heterochaelis) belonging to

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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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The Guy Who Invented One of the First Artificial Hearts Was Also the Voice of Gargamel on the Smurfs, Winnie the Pooh, and Tigger Too

The Guy Who Invented One of the First Artificial Hearts Was Also the Voice of Gargamel on the Smurfs, Winnie the Pooh, and Tigger Too

Daven Hiskey September 3, 2010 7

Today I found out the guy who invented one of the first artificial hearts was also the voice of Gargamel on the Smurfs; Mr. Owl on the Tootsie Pop commercials; Winnie the Pooh; and

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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 13

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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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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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 21

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 2

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 54

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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How Deaf People Think

How Deaf People Think

Daven Hiskey July 20, 2010 69

Today I found out how deaf people think in terms of their “inner voice”.  It turns out, this varies somewhat from deaf person to deaf person, depending on their level of deafness and vocal

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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 89

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 21

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 6

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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