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Archive for August 2012

August 1, 2012

 

The difference between day and night...

Why Are Nights More Calm Compared To The Day?

More often than not, the wind dies down at night after a blustery day. Where does the wind go? Why are nights generally more calm than days?

August 2, 2012

 

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The Roll-on Drug

Do antiperspirants stop all kinds of sweat? How do they work?

August 3, 2012

 

Plastic wrap and any opposite charge tend to cling to each other

Why Does Plastic Wrap Cling To Itself?

Plastic wrap clings for two reasons: it's elastic and it's sticky. Let's explore the chemistry beneath the elasticity and stickiness of plastic wrap.

August 6, 2012

 

As you can see, plants use phototropism to grow toward the sun's light.

The Truth About Phototropism

What is positive phototropism and why does it matter?

August 8, 2012

 

Some critics thought the images were too violent; others thought the paint was applied too thickly. After that, the painting simply disappeared, and everyone assumed Millet had destroyed it.

How X-Ray Technology Is Helping Examine Millet’s Artwork

In the 1840s, a new painting by Jean Francois Millet was unveiled in Paris. But, horror of horrors, no one seemed to like it!

August 9, 2012

 

Say hello to this worker bee!

Bees Have Different Jobs According To Their Age

A team of scientists wondering if some bees might be natural risk takers decided to put that question to the test.

August 10, 2012

 

Give your pup a hug!

For A Stress Free Life, Get A Dog!

Many studies have shown that caring for a dog is a great way to get more exercise, relieve stress, and generally improve quality of life.

August 13, 2012

 

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The Bare Necessities Of Bears

We can all hum the song from the "Jungle Book", but what really are the bare necessities for a big bear?

August 14, 2012

 

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From Chemistry Lab To Clothing

When did nylon make its big debut? Before its creation, scientists dreamed of a synthetic material that could take the place of silk.

August 15, 2012

 

Fresh out of the oven! This chicken has just been taking out of the oven and will increase in temperature.

How Does Food Cook After Taking It Out Of The Oven?

When you take a roast out of the oven, the inner temperature will continue to rise by five degrees. How is it possible for the temperature to rise?

August 16, 2012

 

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Step On A Crack

Most people have discovered that if you step on a crack, it won't break your mother's back.

August 17, 2012

 

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What Do Octane Numbers Mean?

You probably visit a gas station every few days, but have you ever paid attention to octane numbers?

August 20, 2012

 

It's a very good thing that windshields are so strong.

What Makes Windshield Glass So Tough?

We tend to think of glass as fragile--but in fact, glass is pretty strong stuff.

August 21, 2012

 

Check out all that barley beer!

How Is Barley Turned Into Beer?

Did you know that the majority of the world's barley harvest is destined for beer production.

August 22, 2012

 

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The Nightlife Of Plants

A plant's nightlife may not include dining and dancing, but it does play an important role in its flowering season.

August 23, 2012

 

Anthiases feed on plankton in the water column close to reefs. They undergo a sex change from female to male at a certain size.

Sex Changes In Nature: Yes, It Does Happen!

Females can activate their testes and deactivate their ovaries.

August 24, 2012

 

Check out those calories!

How Do Scientists Measure Calories In Food?

A food Calorie represents the amount of energy that will raise the temperature of one kilogram of water one degree Celsius.

August 27, 2012

 

Just look at those gorgeous jars of honey.

Why Doesn’t Honey Spoil?

A jar of honey that's been opened and resealed can stay on the shelf for years. Archaeologists have even found ancient jars with unspoiled honey inside.

August 28, 2012

 

Quartz is used in many time-keeping devices

Keeping Time With Quartz

Quartz is a mineral... but how does it help your watch keep time?

August 29, 2012

 

Look at all those neurons!

What Happens When You Lose Neurons?

Around age 20, we begin to lose neurons to the process of aging. By 75, nearly one-tenth of the neurons you were born with have died.

August 30, 2012

 

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Make Your Own Compass

Learn this old sailing trick and find your way back to shore!

August 31, 2012

 

This painting is a great example of some of the makeup people in Egypt used.

Why Did Cleopatra Wear Makeup?

Over five thousand years ago, the ancient Egyptians used eye shadow, not only for cosmetic but practical purposes as well.

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