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Posts tagged blood

November 17, 2016

 

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 21, 2016

 

Blue fluorescent light sculpted into the shape of a human face

It’s Not Easy Being Blue

Turning blue in the face is easier said than done.

June 16, 2016

 

green light

Green as Blood

Insect blood is green, and gets its color from the plants it eats.

April 1, 2016

 

octopus

You Gotta Have Hearts

Octopuses use three hearts to keep their bodies well circulated.

February 12, 2016

 

whiskey around the campfire

Cold Heart, Warm Hands

Though hooch makes you feel warmer, alcohol causes your body temperature to drop and can put you at risk of hypothermia.

December 29, 2015

 

dog walk on a cold day

Too Cold to Exercise?

Not so! Your body acts as a heater and warms up cold air as you breathe it in.

November 26, 2015

 

luminol splatter

A Moment of Crime

Investigators shine a light on crime scenes mysteries with the help of luminol—a luminescent chemical that reacts with blood.

March 30, 2015

 

sugar cubes

Link Between Memory and Sugar

Blood sugar levels can impair brain health and memory formation.

January 22, 2014

 

A girl with a sore throat eats a popsickle

Why Sore Throats Hurt

Ever wonder why sore throats hurt so badly? And why do they occur in the first place?

January 9, 2014

 

A multitude of red blood cells packed together

Oy Veins!

Have you ever wondered how those pesky varicose veins form?

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