A Moment of Science

Posts tagged blood

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?

January 8, 2009

 

Multiple mosquito bites on leg

Mosquito Bites! Will Nothing Stop This Itching?

There are many myths about mosquito bite cures, like using banana peels or toothpaste.

November 11, 2008

 

Vampire

Who Believes in Vampires?

The belief in vampires is one of the most wide-spread of superstitions; How can all those eye-witnesses to these creatures of the night be wrong?

April 29, 2008

 

Blue vein in wrist

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.

September 27, 2007

 

Man giving blood

Not My Type? Not a Problem

Researchers have found a way to convert types A and B blood into type O, which can be transfused into any patient. Learn more on this Moment of Science.

September 17, 2007

 

Vampire bat with blood

Vampire Bat

Vampire bats, native to Central and South America, are one of the most well known examples of sharing and kindness in the animal kingdom.

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