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The lizard that looks an awful lot like a certain superhero is in huge demand in pet shops. Take a look and find out why.

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Competition in the animal world.

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Some thoughts on saving the planet.

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The surface of the earth, as we know now, is covered with three fourths of water. This comprises of the oceans, seas, rivers and lakes. We really do not know how these water bodies were formed. The scientists have propounded the theory that as the earth cooled it was enveloped by thick clouds. These clouds rained down water on the earth.