A Moment of Science

Archive for November 2007

November 7, 2007

 

X-Ray of Brain

Brain Exposed, Wide Awake

If you were having brain surgery, would you either be out cold, or awake during the procedure? Of course, unconscious, right? Well, your surgeon may disagree.

November 7, 2007

 

Bodies Own Immune System Attacking Cells

Autoimmune Diseases

Did you know your immune system can be your worst enemy?

November 7, 2007

 

Young Echidna

Those Mystifying Mammals, the Monotremes

Have you heard that the long-beaked echidna, which scientists thought was extinct, has been found again in New Guinea? Learn more on this Moment of Science.

November 8, 2007

 

Turkey farm

Turkey Power

Turkey isn't just what's for dinner anymore. Waste from the feathered holiday creature can now be transformed into other kinds of energy.

November 8, 2007

 

Baby with blue birthmark

Backside Blues

Parents of East Asian, East African, and Native American descent are not surprised when their babies are born with a blueish-color birthmark on their backside.

November 13, 2007

 

Drinking Coffee

Caffeine Persuasion

Have you ever bought coffee for someone to butter them up? A group of scientists set out of discover if this angle really works.

November 13, 2007

 

Arctic at sunset

Clouds Shining in the Night

If you ever visit the Arctic, you might see some really cool, luminescent clouds high up in the atmosphere. Scientists call them night shining clouds.

November 13, 2007

 

Fresh red tomatoes

Inserting and Containing Genes

Scientists have come up with a way of keeping engineered genes from accidentally altering wild plants. Learn more on this Moment of Science.

November 13, 2007

 

Fast food sandwich and French fries

Fast Food = Fat Liver

Fatty liver disease occurs when fat builds up around the liver and can damage it permanently. Learn more on this Moment of Science.

November 13, 2007

 

Annual Cosmo flowers

Why Do Plants Flower When They Flower?

Have you ever wondered why some flowers only bloom for a few days in the early spring, while others bloom much later, or all summer long?

November 19, 2007

 

Cat face

The Domestication of Cats

Many people believe that cats became domesticated in Egypt, but a genetic study suggests that feline ancestors originally came from more humble roots.

November 19, 2007

 

Girl reading with stack of books

Myopia and Reading

You may have heard that reading a lot causes near-sightedness, but is there any truth to this rumor? Learn more on this Moment of Science.

November 19, 2007

 

Southern Copperhead In Aquarium

Poisonous Snakes

Did you know that most so-called poisonous snakes aren't poisonous at all, but actually venomous?

November 19, 2007

 

Fresh Fig Split Open

Figs and Agaonid Wasps

Have you heard the urban legend that the little crunchy seeds in figs are really wasp eggs?

November 20, 2007

 

Red Fox with Cub

What Is a Species?

A species is the most basic unit of classification for all organisms that live, or have ever lived, on Earth.

November 27, 2007

 

Desalination water pipe

Desalting Water, the Green Way

Some people depend on turning salty ocean water into fresh water, a process called desalination. Learn more on this Moment of Science.

November 27, 2007

 

Close up of dragonfly

Five-Foot Insects

Did you know that three hundred million years ago the earth was swarming with giant insects? How did insects get so small today?

November 27, 2007

 

Foggy Lake Kivu

Exploding Lakes

Have you heard of the exploding lakes in central Africa? Three exploding lakes are known, each with certain key features. Learn more on this Moment of Science.

November 27, 2007

 

Close up of eyelash with mascara

There Might Be Mites in Those Eyelashes

Your face might be home to a group of tiny creatures! These organisms, called demodicids, or eyelash mites, live on the bodies of even the cleanest of people.

November 27, 2007

 

Steamed carrots, cauliflower, and broccoli

Color Changing Veggies

Have you ever wondered why steamed vegetables turn an even brighter green initially, but then will turn this dull green if you cook them too long?

November 29, 2007

 

Sectoral Heterochromia

Heterochromia

Know anyone with two different colored eyes? The condition is called heterochromia. Learn more on this Moment of Science.

November 29, 2007

 

Medical digital thermometer reading

Non-mercury Thermometers

Did you know that many communities have exchange programs that will replace your old mercury filled thermometer with a safer non-mercury one free of charge?

November 29, 2007

 

Ocean view from cliff

Comet Water

Water is pretty incredible. Oceans cover 70% of the planet and our bodies are something like 60% water. Where did all this water come from?

November 29, 2007

 

Filled beer mug

Foamy Beer Heads

Have you ever poured a beer into a glass, and had to wait for the foam to go down before you could drink it? Well next time, stick your finger in it.

November 29, 2007

 

Two baby snapping turtles

Turtles: Cute but Contaminated

Did you have a pet as a child? Maybe a dog, cat or a turtle? Turtles actually carry salmonella, a bacterium that can cause poisoning.

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