Give Now

A Moment of Science

Archive for September 2003

September 27, 2003

 

Is There a Placebo Effect?

Is there really a placebo effect? Find out on this Moment of Science.

September 27, 2003

 

A cheesy bowl of macarroni.

What’s In Saturated Fats?

Having trouble distinguishing the good fats from the bad? Learn about saturated fats on this Moment of Science.

September 27, 2003

 

Snail Love Darts

No matter the species, mating rituals are pretty weird. Take the praying mantis. After an intimate tryst, the female mantis bites its partner’s head off. But when it comes to sexual hijinks, nothing beats the garden snail. During sex, garden snails often pierce each other with miniature darts. Any way you slice it, garden snail […]

September 27, 2003

 

Bloodshot Eyes

“Bloodshot” is precisely the right term to describe what happens when something irritates the eyes.

September 27, 2003

 

A Healthy Famine?

Suppose you could live a longer, healthier life if you were willing to eat about half what you normally do and spend every day feeling cold and hungry?

September 27, 2003

 

Can the Dead Move?

The chemicals that cause this reaction are stored in our nerve endings, and when we die, they’re gradually released.

September 27, 2003

 

How Two-way Mirrors Work

Like all mirrors, two-way mirrors have a reflective coating. However, while the reflecting coating on regular mirrors is dense and returns all the light that strikes its surface, the reflective coating on two-way mirrors is more sparse.

September 27, 2003

 

A Cooler for the Sahara

Produce from family farm plots lasts much longer than before, meaning that families don’t need to send girls out every day to sell produce, but can send them to school instead.

September 27, 2003

 

Becoming Part of the Music

Unlike waves on a lake, sound waves don’t travel up and down. Instead they’re more like layers of high and low pressure traveling outward in all directions. Each wave consists of a layer of high pressure followed by a layer of low pressure.

September 27, 2003

 

Ghrelin

This might be why so many people gain the weight back after dieting. With higher levels of ghrelin in their blood, they wind up even hungrier than they were before, even when they stop dieting. Currently, drug companies are looking for safe ways to decrease the amount of gherlin in the blood.

September 27, 2003

 

Smoking Role Models

A study done by two researchers at Wake Forest University that looked at over 500 different random music videos found that at least ten percent of the videos on any channel showed people smoking.

September 27, 2003

 

Animal Manure Cleans Up Water Pollution

Humans are fouling the planet at an unprecedented rate. In this Moment of Science, we talk about a substance that we normally might consider a pollutant, but can also be used to clean up pollution. It may come as a surprise to you to learn that different kinds of animal manure may help treat some […]

September 27, 2003

 

Tea vs. Coffee

There are two reasons why your doctor might recommend tea over coffee. One is that tea does contain less caffeine than coffee. This is because the amount of tea leaves used to brew a cup of tea is significantly smaller than the amount of coffee beans for a cup of coffee.

September 27, 2003

 

Counting on Your Fingers

The Greenlandic word for the number seven translates as, “second hand, two.” That means you count five on the first hand and add two from the second, to make seven. After you run out of fingers, go for the toes. Thirteen translates as “first foot, three.” That means you add all ten fingers plus three toes.

September 27, 2003

 

Mind Reading

Sometimes we get letters here at Moment of Science asking whether psychics are for real.

September 27, 2003

 

Chili Takes Out Other Flavors

Have you ever noticed that when you eat hot chili it dulls the flavors of other things? In this Moment of Science we explain why that is.

September 27, 2003

 

Titanium

With 22 as its atomic number and ‘T-i” as its atomic symbol, titanium is the fourth most abundant metal on earth.

September 27, 2003

 

Living in an Ice Age

During the current ice age glaciers have advanced and retreated over twenty times. We’re living during one of the warmer periods when the glaciers have retreated.

September 27, 2003

 

Cockroach Pheromones

What’s ironic, though, is that the females are attracted to a pheromone produced by these loser males. If the pheromone is applied to a winner male, he will instantly become a loser–meaning he will be chased by males and females alike, only the females won’t want to pummel him.

September 27, 2003

 

Police Radar Guns

When the microwaves hit the front of an oncoming car, some of them are reflected back into the radar gun.

September 27, 2003

 

Big Fido Is Watching You

That’s when you have a tiny, encased computer chip inserted under the skin of your dog or cat. Why?All sorts of information can be encoded on the chip, from the name of the animal’s owner–useful in case the animal gets lost–to information about its medical history a vet might need.

September 27, 2003

 

The Leatherback Turtle, Part 1

Unlike other sea turtles, the Leatherback can survive in cold waters.

September 27, 2003

 

Seeing Inside Rocks

Wouldn’t it be nifty if there was a way we could see into rocks without having to break them? Just think of it. If we could see inside of rocks without having to slice them open, then perhaps we could see into rocks on other planets like Mars. And maybe then we could detect forms of life inside these rocks.

September 27, 2003

 

Battling Baldness

Are you fighting baldness? "Battling Baldness" on today's Moment of Science.

September 27, 2003

 

IQ

What do IQ tests really measure? Find out what psychologists think, on this Moment of Science.

September 27, 2003

 

A gain lightening bolt in the distance.

Struck by Lightning

How is it that sometimes people survive multiple lightening strikes, while others die instantly?

September 27, 2003

 

salad

Soggy Salads

Have you ever wondered why dressing makes lettuce wilt so quickly?

September 27, 2003

 

handwash

Dirty Hands

Does regularly washing your hands get rid of germs?

September 27, 2003

 

Smoking and Cancer in Cats

But did you know that it causes cancer in cats? If you smoke and have a cat, then your cat smokes second-hand.

September 27, 2003

 

Wisconsin Jellyfish

Researchers who study jellyfish were delighted when a whole bunch of them turned up in Wisconsin. They were found in a sandstone quarry.

Stay Connected

What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:

Support for Indiana Public Media Comes From

About A Moment of Science

Search A Moment of Science