What is flash memory? It is a type of memory that can store data without power and can erase memory in blocks. It is a type of electronically erasable programmable read only memory (EEPROM). Computers store information on their memory chips in binary, which means everything is reduced to a 1 and a 0. When […]
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Did Christopher Columbus really think he had landed in India? Not India, but the Indies, and, yes, he did. When Columbus said he was aiming for the Indies, he wasn’t thinking of India. He was thinking of the islands to the east of Asia, such as Indonesia, the Philippines, and New Guinea. There were no
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Why does it rain in a rainforest? Tropical rainforests cause rain when water is released by the trees, but temperate rainforests form where there is a lot of natural rain. There are tropical rainforests and temperature rainforests. Tropical rainforests form in very hot places, just to the north and the south of the equator. Temperate
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Why do giant redwood trees grow so big? It is a combination of things. It could be the amount of soil they have access to, it could be the climate in California, it could be their resilience, and it could be because they live so long. Giant Redwood trees are famous for their size. They
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What vegetables came from the New World? There are many, but potatoes, tomatoes, corn, beans, squash, chili, cacao, peppers, and vanilla are good examples. The foods that came from the New World into Europe ended up changing world cuisine in surprising ways. In the end of the 15th century, Spaniards and other Europeans first reached
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Did Shakespeare write the plays attributed to him? The available evidence shows that, in all probability, Shakespeare was a real person who wrote his own plays. William Shakespeare was definitely a real person. There is no record of his birth and his birthday of 23rd April was given to him by a much later biographer
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Where and when did language originate? This is an impossible question to answer, but, probably, in and around Africa between 150,000 and 50,000 years ago. Our ability to communicate is obviously one of the things that sets us apart from animals. Nearly all animals have the ability to make sounds, but their communication is limited
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Does being cold or wet increase your chance of catching a cold? Being wet doesn’t make much of a difference, but being exposed to cold air can increase your chances of catching a cold. And, if you are cold for a long period of time, it can lower your immunity. The common cold is caused
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Is a whale shark a whale or a shark? A whale shark is a shark and not a whale. The difference between whales and sharks is that whales are mammals and sharks are fish. What are the differences between mammals and fish? Mammals are “vertebrate animals in which the young are nourished with milk from
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Why does the Leaning Tower of Pisa lean? It leans because the ground under the tower is not hard enough and has settled. The Leaning Tower of Pisa is 55.86 meters tall, and it leaned by 5.5 degrees off center at its peak. It was stabilized in the 1990s and its lean was reduced to
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