A Moment of Science

Posts tagged chemicals

January 16, 2004

 

Acid Rain

Learn about all the chemicals found in rainwater, on this Moment of Science.

September 27, 2003

 

Homocysteine

It's time once again for the Moment of Science Word of the Day. This is where we define a cool science term. Today's word is Homocysteine.

September 27, 2003

 

Offensive Plants

Everyone knows that plants have some pretty good passive defense mechanisms. Learn about plants and their offensive strategies on A Moment of Science.

September 27, 2003

 

Caterpillar vs. Plant

In the real world, some caterpillars and plants engage in a deadly struggle for survival. We’re talking full-scale battle, involving chemical weapons no less.

September 27, 2003

 

Mothballs

Thanks to clothes moths and their fabric devouring larvae, your expensive Scottish wool sweater may one day resemble Swiss cheese.

September 27, 2003

 

Chili or Mint

At the University of California , David Julius and his research team have been making some interesting discoveries involving tongue receptors and a substance contained in chili peppers. They found that this substance activates the same receptors that senses heat.

September 27, 2003

 

Taste and Smell

One of the more puzzling consequences of old age is a decreasing ability to appreciate the taste of a fine meal. Actually, the problem is not only a matter of taste. It also has to do with smell. When we eat something, we rely on a combined sense of taste and smell to experience flavor. [...]

September 27, 2003

 

No Crying Over Split Onions

It’s commonly known than chopping onions will cause a person to cry. Well, you’re in luck if you frequently find yourself weeping over this smelly vegetable. Food scientists in Japan have figured out how to genetically engineer an onion that doesn’t make you cry when you chop it. Other scientists have tried to create tear [...]

September 27, 2003

 

The Great Worm Odyssey

Ever wonder why worms stay burrowed in the ground until a rain finally comes? Find out on this Moment of Science.

September 27, 2003

 

Anatomy of a Fever

When immune cells detect an infectious organism, they produce fever-making chemicals. These chemicals prompt the body to produce prostaglandins, which turn up the thermostat in the brain.

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