


The Niagara Falls are two falls. The American Falls are on the left in this picture, and the Horseshoe Falls in Canada are on the right. Niagara Falls would be a great place for a giant to take a…

You can see a bell tower that leans in the town of Pisa, Italy. What does it lean against? Nothing. It’s called the Leaning Tower of Pisa, and it’s been leaning more and more ever since it was built…

Near-sightedness (myopia) is a defect in sight. A near-sighted child sees close objects fairly well, but distant objects are blurred. The reason for this is that the eyes are longer from front to…
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