What Made Darwin Sail to the Galapagos Islands?
Galapagos Islands are a small group of islands belonging to Ecuador in the eastern Pacific. Total area is about 7880 sq km (3040 sq miles). The Galapagos Islands and...
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When Does an Atoll Start to Form?
An atoll or coral reef begins to form when tiny marine animals called coral polyps attach themselves to rocks on the sea bed. The reef, which eventually takes the shape...
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Why Do We Smile?
Why Do We Smile? We smile to show our pleasure or amusement in something or with someone. In fact, smiling seems to be an expression with which we are born, for most...
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