Why do we laugh? Nobody knows for definite, but there are several theories. One of the theories is that we laugh as an evolved response to the passing of stress to show the rest of our herd that the danger has passed. One of the most interesting things about laughter is that it is not […]
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Why do koalas eat eucalyptus leaves? Koala have evolved to eat eucalyptus leaves because it is the most abundant source of food where they. They question might be, have the evolved to eat the food where they live, or have they moved to those area because it is abundant in the food they can eat?
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What is the difference between an earl, a duke, a lord, and a knight? They are all ranks of the aristocracy, conferred upon a person by the monarch of the UK, but they have different levels and privileges. The ranks of nobility obviously only exist in countries that have a nobility, and they vary in
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What is the birthday paradox? It is the fact that you only need 23 people in a room for the chance of two of them having the same birthday being over 50%. And it’s not a paradox. This probability problem is interesting and it is very hard for us to understand for several reasons. It
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Do we need to eat more protein? No, we don’t. With a modern diet, the majority of us get more protein than our bodies can use on a daily basis. The only people who need extra protein are world class athletes. What is a protein? Proteins are molecules that are made up of chains of
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Why is an overdose fatal? It depends on the type of drug, but opioids, which are the most common form of drug, cause death because of a lack of oxygen. When we talk about an overdose, we are typically talking about someone who has taken too many of a particular type of drug. This could
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What are the mean, median, and mode? The mean, median, and mode are all ways of calculating an average, but they are different, and they have different uses. The mean is what most of us mean when we say the average. To get the mean of a set of numbers, you add them all together
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Why were India, Pakistan, and Bangladesh split? India, Pakistan, and Bangladesh were split at the end of British rule in 1947, and they were split along religious grounds. Although, it was not a simple process and it has caused numerous problems. India became a colony of Britain in 1857. Queen Victoria I was proclaimed Empress
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What is a pulsar? A pulsar is a neutron star that rotates extremely rapidly and releases pulses of radiation, hence their name. Neutron stars are formed when stars much larger than our sun (a minimum of eight times larger) run out of fuel to burn. All stars begin by burning hydrogen and turning it into
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What is the Anthropocene? The Anthropocene is the geologic age that we are in at the moment, although it is not agreed upon by experts. Geologic periods are a way of dividing the Earth up into chunks that cover different stages in the life of the Earth. It is a little like breaking a human
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