A Moment of Science

Posts tagged concentration

February 28, 2013

 

child with hand on chin

What Is Boredom, Scientifically Speaking?

Everyone gets bored from time to time. But I was wondering--what is boredom exactly, scientifically speaking?

October 5, 2007

 

angry student at desk taking a test

Get Angry, Think More Clearly

Say you're about to take a test or give an important presentation at work, would you rather be calm and collected or angry and agitated?

September 27, 2003

 

Gathered piles of salt by the coast of one of the Canary Islands

Salt As A Sweetner

Why is it that when you put salt on a melon, the melon seems sweeter, but then if you overdo it, the melon turns salty? Find out on this Moment of Science.

September 27, 2003

 

Osmosis and Applesauce

This process is called osmosis; it dilutes the sugar-water inside the cells. But all the water coming in raises the pressure inside the cells so that eventually, the cell walls burst.

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.

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