Why does a memory palace work? A memory palace works because our brains are better at remembering images and locations than we are at remembering random information. Nobody really invented the memory palace. It is a technique that has been used for as long as there have been people. Before writing, people had no choice […]
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Why are there so many camels in Australia? There are so many camels in Australia because they were shipped over to make exploring the interior and laying telegraph lines easier. When you think of camels, you probably think of hot African desert countries, probably around the Sahara Desert. Well, you are not wrong. The country
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What is a supervolcano? A supervolcano is a volcano that has had an eruption, or has the potential of an eruption, that is an 8 on the volcanic explosive index. We have scales to measure the size of hurricanes, the strength of earthquakes, and many other things. Well, there is a scale to measure the
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What happened to the dodo? The dodo went extinct in 1662 because of hunting and the introduction of invasive species. We all know the saying, “as dead as a dodo,” but where does it come from? Well, interestingly, “dead as a dodo” doesn’t appear until 1904 and is probably an adaption of “dead as a
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How did London Bridge end up in America? London Bridge ended up in Arizona, America because it was bought by an industrialist called Robert McCulloch who bought it and shipped it over the Atlantic. The London Bridges that is in America was built in 1831 and it was sold by the City of London in
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Why do rechargeable batteries lose power as they age? Because the process of recharging a battery is not 100% efficient and because of chemical degradation. These days, the majority of us use rechargeable batteries every day. While writing this, I have four devices currently recharging. I am sure you have something similar while you are
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What is the oldest still spoken language? This is a question that can never have a satisfactory answer because written records only go back so far, and a lot of languages were not written down until relatively recently. A reworking of this question could be how many speakers of modern languages would be able to
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Why can warm air carry more moisture? Warm air can carry more moisture because more water evaporates when the air is warm and there is more space between the water molecules to hold that moisture. Saying that warm air “holds” more water is a little bit inaccurate because the air doesn’t actually hold the water.
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What is snuff? Snuff is a form of powdered tobacco that you can inhale, giving you a quick nicotine hit. Snuff has been around for a long time. Native people living in the area that is now Brazil used powdered tobacco leaves as snuff. They ground the leaves using a rosewood pestle and mortar, which
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Why does America use the Electoral College system? America uses the Electoral College because the early American government didn’t trust the voting people to be able to vote for the correct candidate instead of the one whose name they just happen to recognize. How does the Electoral College system work? The Electoral College has 538
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