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Posts tagged anatomy

November 24, 2016

 

Peacocks are great examples of Fischer's Runaway Model which explains how over many generations, certain aspects like longer wings on birds is more attractive, yet less useful for actually flying.

Runaway Tail!

One common misconception people have regarding evolution is that the gradual changing of physical forms always benefits the species in question.

November 17, 2016

 

Although this vein appears blue through the skin, it is actually red due to different wavelengths of light traveling through skin easier than others

True Blue Inside of You?

Did you ever hear that blood is actually blue inside your body, but turns red instantly on contact with air? Learn more on this Moment of Science.

November 8, 2016

 

Even excluding those with dental problems, some people have only thirty, or even twenty-eight teeth.

Evolution In Your Mouth

Humans may be evolving toward having less than thirty-two teeth.

May 17, 2013

 

Sticking your finger in boiling hot water like this might produce a sensation called paradoxical cold which produces an icy cold feeling right before the burning sensation comes

Ow! Why Hot Feels Cold

Have you ever dipped your toe into a hot bath and felt a flash of icy cold just before you realize that its really burning?

March 19, 2013

 

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What Causes A Lump In Your Throat?

Do you ever get choked up during a sad movie? Does it feel like a lump in your throat?

December 20, 2012

 

Paper Cuts, Why So Painful?

Why does a paper cut hurt so much more than a cut with a razor blade?

November 13, 2012

 

Grey hair forms as melanin production slows or stops, not because of stress

Going Gray

It's impossible for hair to completely change color overnight. Learn more on this Moment of Science.

July 4, 2012

 

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Leg Cramps Like Clockwork

If you get bad leg cramps, it could be a sign of serious heart disease.

May 17, 2012

 

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Plant Self-defense

What keeps seemingly defenseless grass from hungry grazers?

February 3, 2012

 

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The Mathematics Of Middle-Age Spread

How much more does an older runner have to run in order burn as many calories as a teenager?

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