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Posts tagged blood

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

 

a

Link Between Memory and Sugar

Blood sugar levels can impair brain health and memory formation.

January 22, 2014

 

Why Sore Throats Hurt

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

January 9, 2014

 

Varicose veins often appear blue because the red blood cells inside them have become deoxygenated.

Oy Veins!

Have you ever wondered how those pesky varicose veins form?

July 17, 2013

 

Your heart does a lot of work.

Are You Sure Your Heart’s In The Right Place?

On today's Moment of Science, we're sure your heart's in the right place.

June 25, 2013

 

Ouch! Don't you just hate mosquitoes!

Mosquitos In Winter

When it gets cold, a biochemical process replaces some of the water in the mosquito's body with glycerol.

April 25, 2013

 

Have you ever experienced altitude sickness?

What Causes Altitude Sickness?

Many indigenous people live in areas of low oxygen concentration with few adverse effects. The big question is, how do they survive?

February 22, 2013

 

Do you have dark bags under your eyes?

Why Do Dark Circles Form Under My Eyes?

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

February 1, 2013

 

Has this "illusion" ever happened to you?

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

 

gfr

The Science Of The Siesta

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

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