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Posts tagged blood

February 22, 2013

 

close up of human eye

Why Do Dark Circles Form Under My Eyes?

There may be more to it than not getting enough sleep.

February 1, 2013

 

Blue sky with sun reflecting

Blue Sky + Looking Up = Seeing Tiny Dots And Swirls

Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?

January 30, 2013

 

a man in a straw hat taking a siesta

The Science Of The Siesta

Ever feel sleepy after a big lunch? Find out the science behind taking a siesta!

November 26, 2012

 

pretzels close up with salt

Which Makes You Thirstier, Salt Or Sugar?

Chow down salty chips or pretzels, and soon you'll be guzzling your favorite drink. But snacking on sugary foods makes you thirsty, too.

October 23, 2012

 

human body book

How Does The Body Make Blood?

The body must produce the liquid part of blood, called plasma, and the cells that float in it.

September 11, 2012

 

heard drawn in the sand

William Harvey, Circulation, And History!

Through the early 1600s, physicians believed there were two kinds of blood, one made by the liver and one by the heart...

May 11, 2012

 

mount everest

Two Climbers Climbed Everest Without Supplemental Oxygen. How?

Although Everest had first been climbed in 1953, this was the first successful ascent to be made without supplemental oxygen.

April 12, 2012

 

penguin_feet

Bare Feet: Why So Warm

What keeps penguin's feet from freezing? Penguins' feet don't freeze because of the blood circulating in them.

March 26, 2012

 

a man checks his pulse while using a blood pressure monitor

The Sound Of Pressure

Have you ever been squeezed by a sphygmomanometer?

December 16, 2011

 

mountain climbers

All About High Altitude Pulmonary Edema: HAPE

When fluid blocks the passage of oxygen into the lungs, the resulting suffocation is known as drowning, whether or not the person is submerged in water.

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