Catch A Shooting Star
A meteor, sometimes called a 'shooting star,' can be the brightest object in the night sky, yet meteoroids are the smallest bodies in the solar system that can be observed by eye. Wandering through space, perhaps as debris left behind by a comet, meteoroids…
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Medicine
It's Hay Fever Season!
If spring's flying pollen is making you sneeze, you are not alone. Some 40 to 50 million people in the United…
Biology
How Do Bacteria Reproduce?
Bacteria are microorganisms that have been around for billions of years. How have they survived all that time?…
Biology
Microarrays: Chipping Away At The Mysteries Of Science And Medicine
With only a few exceptions, every cell of the body contains a full set of chromosomes and identical genes.…
Mathematics
How To Calculate The Circumference Of A Circle
A circle is what you get if you take a straight line and bend it around so that its ends touch. You can…