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A Moment of Science

Archive for August 2012

August 1, 2012

 

day and night of a street photographed

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

 

a sweaty man working out

The Roll-on Drug

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

August 3, 2012

 

plastic-wrap

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

 

phototrophism

The Truth About Phototropism

What is positive phototropism and why does it matter?

August 7, 2012

 

popcorn close up

Popcorn Makes A Perfect, Healthy Snack

Plain, simple popcorn is not only a healthful snack but also one of the most nutritious foods you can eat.

August 8, 2012

 

jean millet's work in frame

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

 

bee being born in bee hive

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

 

man and dog

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

 

a sun bear sitting in a tree

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

 

macro image of nylon fabric

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

 

roasted chicken on cutting board

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

 

a crack in the sidewalk with a small plant growing in it

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

 

sign at gas pump

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

 

windshield with woman on left side

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

 

beer flight made with barley

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

 

a lily on the water at night

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

 

Female Anthias fish

Sex Changes In Nature: Yes, It Does Happen!

Females can activate their testes and deactivate their ovaries.

August 24, 2012

 

restaurant with Calories sign

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

 

jars of honey in the sun

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

Keeping Time With Quartz

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

August 29, 2012

 

neurons in the brain

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

 

a bar magnet surrounded by small compasses

Make Your Own Compass

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

August 31, 2012

 

egyptian painting

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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