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Posts tagged blood

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



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.

November 29, 2011


Rubbing alcohol

Why Does Rubbing Alcohol Make A Good Antiseptic?

Oddly enough, a solution of 70% alcohol, that is, rubbing alcohol, is a more effective antiseptic than 100% alcohol. Another case of where more is not better.

November 17, 2011


vampire bat on white background

How Do Vampire Bats Use Their Noses To Detect Prey?

They prowl in the dark, soar through starlit skies... they are vampire bats and they're looking for blood!

August 31, 2011


two prairie dogs sit on a rock

Which Is Healthier: Standing Or Sitting

There's mounting evidence that long stretches of inactivity are not good for you, even if you're not overweight and seem basically healthy.

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