We Live In Two Distinct Visual Worlds
Have you ever wondered what it would be like to live on a planet where all the colors were different from what you're used to? Actually, you already have a lot of experience with two different worlds with two completely different color schemes. They're called…
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Geology
Landslides and Mudflows
Landslides are a serious geologic hazard common to almost every state in the United States. It is estimated…
Medicine
Ultrasound In Medicine
In medical testing, ultrasound equipment is used to produce a sonogram, or a picture of organs inside the…
Biology
Why Do Leaves Change Color In The Fall?
Every fall the leaves of many trees turn magnificent colors. One of the great benefits of the season is…
Mathematics
Prime Numbers
A prime number is a number that is divisible only by one and by itself. Factors are numbers that can be…