A Moment of Science

Archive for August 2007

August 2, 2007

 

Paper and plastic grocery bags

Paper or Plastic?

It’s a question that echoes through the aisles of supermarkets across the country, but is there a right answer? The city of San Francisco thinks so: paper.

August 2, 2007

 

Pumping up flat tire

Flat Tires and Diesel Engines

As you fill a flat tire from your hand pump, you notice parts of the pump getting hot. Why would the pump get hot with all that cool air flowing through it?

August 2, 2007

 

Multicolored milk puddle

What’s So Primary about Primary Colors?

With three simple ingredients, a red, a green, and a blue spotlight, you can make any color of the rainbow. Learn more on this Moment of Science.

August 2, 2007

 

Close up of ear

Your Ear’s Internal Amplifier

You probably imagine that your ears are rather passive, but they can play a surprisingly active role too. Learn more on this Moment of Science.

August 7, 2007

 

Delaware River in Pennsylvania landscape

The Lingering Ice Age

About twenty thousand years ago, during the last major ice age, a miles-thick ice sheet covered all of Canada and most of the northeastern United States.

August 7, 2007

 

A colorful carbon 60: Buckminster Fullerene

Germ Kill Clothing: Nanotech Couture

What does nanotechnology mean, and is it something that's already being used today? Learn more on this Moment of Science.

August 7, 2007

 

Adelie penguins on shore

Down…Set…Penguin

Ever wonder what penguins do all day? Learn more on this Moment of Science.

August 7, 2007

 

Neanderthal teeth fragments

Giving Neanderthal a Hand

Were Neanderthals right or left handed? Learn more on this Moment of Science.

August 7, 2007

 

Emergency personnel at car accident

Plastic Blood

Scientists are developing a type of artificial blood for use in emergencies. Learn more on this Moment of Science.

August 8, 2007

 

Statue of Liberty on Liberty Island

The Healthy Green Hue of Liberty

Why is the Statue of Liberty green? Learn more on this Moment of Science.

August 14, 2007

 

Jarred tomatoes on table

Food Preservation

What makes canning last longer than refrigeration? Learn more on this Moment of Science.

August 14, 2007

 

Spinach dish with garlic

Memory and Potato Chips

When teens need to be careful about getting enough vitamins and minerals to stay healthy during puberty, they often start skipping meals and eating junk food.

August 14, 2007

 

Correct key with cyclinder

Under Lock and Key

Have you ever tried to pick a lock like in the movies with no luck? Well, you might have been better off knowing the inner workings of a lock.

August 14, 2007

 

Cloudy sky over landscape

A Cloud Magnet

If you look at the sky on a cloudy day, you will find more clouds near the horizon than directly overhead. Why? Learn more on this Moment of Science.

August 21, 2007

 

Moon at night

Steady, Steady

The relatively small Earth, with its sizable moon, is the only planet we know of with life on it. Coincidence?

August 21, 2007

 

Looking through one-way glass

One Way Glass

Today we will unveil the magic behind one-way glass. The trick is simpler than you might think. Learn more on this Moment of Science.

August 21, 2007

 

Blood filled mosquito

Mosquito Repellants

After you cover your body in bug spray, you might wonder, just how does this stuff work, and if mosquitoes don't like it, what is it doing to my body?

August 22, 2007

 

Beach in afternoon

Global Sunscreen

Interested in a stock tip? Invest in companies that make sunscreen. Why? Because atmospheric aerosol levels are decreasing.

August 29, 2007

 

Epidaurus Theatre and landscape

Greek Acoustics

The ancient Greeks knew a thing or two about, well, about a lot of things. For example, they built outdoor amphitheaters with amazing acoustics.

August 29, 2007

 

Football game from sideline

Computer Coach

Astrophysicists think about things like the origins of the universe, stars and planets, and whether to go for it on fourth down or attempt a long field goal.

August 29, 2007

 

Girl smelling flower

To Sniff or to Smell

To sniff and to smell, they are basically the same thing right? Actually, sniffing and smelling are two different phases of the smelling process.

August 29, 2007

 

Different colored M&Ms

The Secret of M&Ms

Have you ever wondered how candy companies get chocolate to evenly coat things like raisins and milk balls? Learn more on this Moment of Science.

August 29, 2007

 

Sumatran orangutan at zoo

Walking Upright, in Trees

Learn about the differences between apes and humans on this Moment of Science.

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