You may have heard of American gangsters like Al Capone and John Dillinger from many years ago.
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Have you ever wondered what space is like? In 1942 German scientists sent the first man-made object into space.
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Water, which covers about 70 percent of the Earth, is a part of the world that remains mostly unknown and
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Have you ever heard of a man named Johannes Gutenberg? During the middle of the 15th century, around the year 1450,
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Have you ever found something while digging in the ground? John Lambert discovered an ancient bone!
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Have you ever wondered where surfing comes from? Who was the first person to hop on a flat board and
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Have you stopped to consider the impact of salt on human development? The story goes like this:
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Perhaps you have heard the phrase ¡°startup company,¡± while reading newspapers or perusing the Internet.
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Recently, images from countries, such as China and Singapore, showed the world the ugly consequences of
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Do you think about how your cell phone was invented? What about how huge buildings and cities are made
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