Why can’t the immune system kill all bacteria or viruses? The immune system can’t destroy all of the bacteria and viruses it comes across because some of them can deflect our immune system and some of them are able to hide. Others multiply far too quickly for the immune system to get on top of […]
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Why were coffeehouses important? Early coffee houses were important because they were a center for social interaction and the sharing of knowledge. It can be speculated that were it not for coffeehouses, several revolutions would not have happened, and the world would be much different to the way it is today. Coffee was discovered on
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Why are trousers / pants plural? Trousers and pants are plural because they used to be separated into left leg and right leg. Before we begin, people in the UK say trousers and people in the USA say pants and they both mean the same thing. However, all of the words have different origins. The
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How does a lie detector work? Lie detectors work by recording breathing rate, pulse, blood pressure, muscular activity, and perspiration to look for any changes. They are not admissible in court because they don’t always work. The modern lie detector (polygraph) was created in 1945, but there were many steps along the way. The first
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Where did 0 come from? The concept of the modern zero was invented in India, but the idea of a placeholder for numbers was thought up by the Mesopotamians. We take the idea of the number 0 for granted. We use it regularly throughout the day (probably) and many of the things we use would
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Was the transition from silent movies to talkies difficult? Yes, the transition from silent movies to talkies was difficult, not just technologically, but also for the actors. Movies began to appear alongside the invention of photography. Early photographs took hours to take, but once it became possible to take photographs instantly, movies were the next
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Was the Trojan Horse real? The Trojan Horse was either made up by Virgil in the Aeneid, was actually some kind of siege engine, or was a boat usually used for giving tribute. We all know the story of the Trojan Horse. During the Trojan War, in approximately the 13th century BC, Greek warriors were
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Why were Roman roads so straight? Roman roads were so straight because they were built to move soldiers from point A to point B as quickly and efficiently as possible. Rome wasn’t the first civilization to build roads, but they were the first civilization to build a road network that crisscrossed an entire empire. The
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What is the fast fashion graveyard? It is a place where the fast fashion clothing waste ends up, causing environmental disasters. What is fast fashion? Fast fashion is called fast fashion because it is produced extremely quickly and to give it the same connotations as fast food. Just like fast food, the clothes are made
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What is pirate radio? A pirate radio station is a radio station that broadcasts a signal in an area controlled by a government without having a license from that government. Pirate radio stations began in the 1940s, but they probably hit their peak in the 1960s. They brought music and attitudes to the multitudes that
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