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Posts tagged cells

December 21, 2012

 

Scratch... scratch... when the itch won't stop, reach for the anti-histamine.

What Causes Itches?

What brings on itches in the first place, and why does scratching provide such welcome relief?

December 13, 2012

 

Do you paint your nails?

What Are Fingernails?

Fingernails. They're good for scratching, biting, clipping, and polishing. But what are they, in fact?

November 26, 2012

 

Look at all the salty goodness!

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

 

The human body is an amazing thing!

How Does The Body Make Blood?

Blood is much more complicated than you might think.

February 23, 2012

 

Check out that DNA origami!

Telomeres: The Key To Aging

Cell copies are not perfect--the chromosome isn't copied all the way to the tip. That's where telomeres come in handy.

January 11, 2012

 

Never changing or always changing - what is your brain like?

Is My Brain Static Or Constantly Changing?

Scientists used to think that for all its complexity, the brain was pretty static. But... is this true today?

December 5, 2011

 

An adorable (and warm!) painted turtle.

Painted Turtles Have A Natural Antifreeze

Although painted turtles don't have much else in common with automobiles, their wintertime coping strategies include antifreeze, too.

September 28, 2011

 

The incredible (edible?) egg

When You Eat An Egg Are You Eating A Baby Chick?

Were the eggs we buy in the supermarket once embryos?

September 6, 2011

 

How Do Vines Twist And Turn?

How does the vine know to twine, and in what direction?

May 18, 2011

 

When Antibiotics Don’t Work…

New strains of antibiotic-resistant bacteria are appearing faster than scientists can discover new antibiotics.

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