Discovery - the world¡¯s most traveled...
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Many children like to read. In fact, reading is a very beneficial hobby. It helps improve memory, builds vocabulary,
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Have you seen the movies WALL-E, The Iron Giant, Star Wars and I, Robot? In these movies, robots are just as
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All living things need water to survive. We
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E-waste, or electronic waste, is any discarded electrical or electronic device. The accumulation of discarded computers, electronic office equipment, mobile phones, television sets, and refrigerators is increasing.
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Legos are very popular toys among children.
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NASA plans to launch five different rockets
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Many animals live under the ground. For example, ants and moles build their homes deep under ground. However, they are not the deepest-living animals. Recently, a team of Spanish and Russian scientists discovered
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Recently, NASA¡¯s Hubble Space Telescope observed an alien planet called GJ 1214b. The Hubble Telescope suggests that the planet is a watery world covered by a thick, steamy atmosphere. Therefore, the planet is nicknamed
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How much do you know about Mars? It is an interesting planet. It is called the ¡°Red Planet¡± because of its reddish color. Do you know how big Mars is? You may think that it is the size of Earth. However, it is actually a lot smaller than Earth. The diam
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