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Posts tagged blood

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.

April 18, 2011

 

nodules on plant stem

Nitrogen-Fixing Bacteria Perform Valuable Service

The bacteria take nitrogen out of the air and make it available to other living organisms in an amazing process.

April 6, 2011

 

statue staring at the sun

Why Do I Sometimes See Tiny Moving Dots?

Those tiny dots are actually blood cells moving in the retina of your eye.

September 23, 2010

 

white rat with long whiskers

Rat Whiskers Prevent Stroke!

Scientists are experimenting with rat whiskers. The have found that they stop a stroke from occurring. Cool, right? But, would it work on humans?

January 19, 2010

 

A caterpillar dangling from a plant.

Blood Is Thicker Than Water

On this Moment of Science, we'll learn how the phrase "blood is thicker than water," applies to the natural world.

January 7, 2010

 

Three shots of vodka

How Do Breathalyzers Work? And What Do They Measure?

Ever wonder how a breathalyzer test actually works? Find out on this Moment of Science.

December 4, 2009

 

coldfeet241

Cold Feet

Why does stepping in a puddle of water make your feet cold for the rest of the day?

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