Silent Earthquakes
Try this demonstration of earthquake movement. Shape modeling clay into two blocks or get two firm sponge blocks. Press the sides of the blocks together while trying to slide them slowly past each other. You may notice that they stick at first, then suddenly…
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Medicine
What Is Narcolepsy?
Narcolepsy is a sleep disorder than affects about 1 of every 2000 people worldwide. It usually starts in the…
Medicine
The Incredible Capacity Of The Immune System
By age two, infants in the US can receive up to 20 vaccinations. In view of that, concerns had been raised…
Geology
Glaciers: Rivers of Ice
Glaciers are massive sheets of ice that occur on every continent of the world except Australia. These giant…
Biology
Life In The Extreme
Lowly microbes just may be the toughest living things on Earth. They have learned to survive, and indeed…