A Moment of Science

Archive for October 2008

October 1, 2008

 

Illuminated water tower at night

The Physics of Water Towers

When's the last time you turned on a faucet in your house and didn't get any water? Fortunately this almost never happens, but why?

October 2, 2008

 

Oil covered plain

Dinosaur Oil Crisis

There's some new evidence that a giant oil fire might have had something to do with the dinosaurs' demise. Find out more on today's "Moment of Science."

October 3, 2008

 

Green scum in pond

Algae Biofuel

Researchers are working on ways to use algae to reduce our dependence on fossil fuels to power cars, trucks, and even airplanes. How?

October 6, 2008

 

Beach and ocean

Glass Beaches

Florida has begun using glass as sand at the beach as a way to keep its shores friendly to both tourists and wildlife.

October 7, 2008

 

Bee hive in tree

Honeybees in Winter

Many insects hibernate or migrate during the winter, but honeybees are more like us, they bundle up and wait for spring. How do they survive?

October 8, 2008

 

Soybean field in late evening

All This Carbon Dioxide is Making Me Hungry!

Higher atmospheric CO2 increases the rate of photosynthesis, and thus the amount of carbohydrates in plant leaves.

October 9, 2008

 

Camels in desert with sunset

Camels

A camel draws on a whole range of adaptations so that it can travel hundreds of miles, over several days, without stopping to drink.

October 10, 2008

 

Scared woman curled up

No Need to Panic

Your heart is racing, your head spinning, your hands tingling. An overwhelming sense of despair and anguish hits you like a wave. What on earth is going on?

October 13, 2008

 

Haven't We Met?

Haven’t We Met?

If you suffered from the neurological disorder called "facial agnosia," you might not recognize the faces of close friends and family. How could this happen?

October 14, 2008

 

Man sleeping in bed

Early-morning Shivers

If you've ever stayed up the whole night through, you may have noticed that you begin to feel cold in the hours just before morning. Why does this happen?

October 15, 2008

 

Arm with bulging veins

Tricking Your Muscles

Believe it or not, you can trick the muscles in your arms into effortlessly pulling your arms up, as if helium balloons were tied to your wrists.

October 16, 2008

 

Dryer lint in bucket

The Color of Lint

Your laundry is a mix of clothes of all different colors. Why, then, does the lint that collects in the lint tray always come out a bland gray?

October 17, 2008

 

Small ship on the ocean

Sailing Over a Tidal Wave

If you were sailing far from shore, how would you feel about a tremendous tsunami heading your way?

October 20, 2008

 

Geese flying in "V" formation

Not So Silly Geese

Geese fly in a "V" formation mainly to save energy. Why a "V?"

October 21, 2008

 

Rain storm in park

Boiling Water Under Boiling Clouds

You may be surprised to hear that it's actually easier to boil water on stormy days than it is when the weather is clear and sunny.

October 22, 2008

 

Steaming pot on stove

Clouds in the Kitchen

Steam is water that's heated to two hundred twelve degrees Fahrenheit. Believe it or not, steam is invisible--you can see right through it!

October 23, 2008

 

Two lab rats in cage

Selective Memory Erasure

Have you ever had any unpleasant memories? What would you say to having them permanently erased from your brain?

October 24, 2008

 

Man entranced by music

Musical Healing

If you've ever had a painful injury, you may be interested to know that music can be therapeutic.

October 27, 2008

 

Two older Chinese men in park

Calm Old Age

Some social scientists found that overall, aging is associated more with positive, passive emotions instead of negative, active emotions.

October 28, 2008

 

SKy over Pacific Ocean

Ocean Heat

Most of the excess heat trapped by greenhouse gasses like carbon dioxide actually ends up in the oceans.

October 29, 2008

 

Old Faithful erupting

Old Faithful

Geysers spout up where a column of underground water is heated to boiling by "magma," or molten rock, pushing the water upward.

October 30, 2008

 

High above Earth's atmosphere

The Habitable Zone

Could there be life on other planets? Given how unfathomably large the universe is, there very well could be.

October 31, 2008

 

Car crash in city streets

Smart Wheels

If a car is about to hit something, it's not capable of slowing down or stopping all by itself. That might change soon, though.

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