Category: Fall 2006

What causes a mirage?

What causes a mirage? Reeta Vyas, professor of physics in the J. William Fulbright College of Arts and Sciences, replies: Mirage is an optical phenomenon, which can be explained in terms of refraction of light and variation of...

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Why Do Plants Have Thorns?

Why Do Plants Have Thorns? Michael R. Evans, associate professor of horticulture in the Dale Bumpers College of Agriculture, Food and Life Sciences, replies: Since plants are typically anchored in place by their root system,...

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