Why did we evolve consciousness? We evolved consciousness because it gave us a greater chance of survival. Evolution is a chance machine, and it generally works in three ways. Every time creatures reproduce, there is a chance that a mutation will appear in the genes of their offspring. This change could help them in some […]
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What is consciousness? According to Merriam-Webster, consciousness is “the quality of state of being aware especially of something within oneself, the state of being characterized by sensation, emotion, volition, and thought, the upper level of mental life of which the person is aware as contrasted with unconscious processes.” An often quoted way to describe consciousness
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Why do chefs use iron, copper, and ceramic pans? Chefs use iron, copper, and ceramic pans because of the different ways they conduct and store heat energy. There isn’t a one-size-fits-all pan for professional chefs, and they change the type of pan they use for different foods. Each pan has a different set of properties
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Do goldfish really have a short memory? No, goldfish don’t have a short memory. Although it depends on what we mean by memory. The idea that goldfish only have a very short memory seems to be widespread. It may stem from wishful thinking because we keep them in tiny tanks, and if they have long
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Where are Dante’s remains? Dante’s remains are in the city of Ravenna in Northern Italy, not Florence, which has an empty tomb for him. Dante was exiled from the city state of Florence in March 1302 because he was found guilty of corruption and financial wrongdoing. He was never able to return to the town
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Can sharks really smell blood from a mile away? Sharks do have an incredibly sensitive sense of smell, but they can’t smell blood from a mile away. The basic problem with the myth that sharks can smell blood from a mile away is that the chemicals required for scent don’t travel that far, even in
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What is the difference between brown eggs and white eggs? There is no difference in the egg itself, but brown eggs come from a different breed of hen and are usually larger than white eggs. As with brown and white pasta and brown and white rice, many of us think that brown eggs must be
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What is tofu? Tofu is made from solidified curds of soy milk. The word tofu came into English from Japanese, which, in turn, came from Chinese. The two characters 豆腐 mean 豆 bean and 腐ferment (or rot). Tofu is sometimes called fermented soybean, but it is not actually fermented. The meaning of rot might be
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What is the cosmic microwave background radiation? The cosmic microwave background radiation is the heat leftover from the Big Bang. In the early 20th century, Edwin Hubble proved that the universe was expanding. He looked at the red and blue shift of distant galaxies to prove this. If the source of a wave is heading
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What are the Ms in m&m’s? The Ms in m&m’s stand for Mars and Murrie, the two makers of the confectionery. If you have never tried them, m&m’s are a sugar coated chocolate candy made in the USA and sold around the world. They come in many colors and there are different kinds of fillings
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