How does braille work? It is a system of writing where you can feel the dots that make up letters and read with your fingers. It is for people who are blind or visually impaired. It is estimated that there are 43 million blind people and a further 295 million people with moderate to severe […]
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What is a guard llama? It is a llama that lives with sheep or goats and protects them from predators, such as coyotes. Llamas are animals that are native to South America, although they have been spread all over the world since Spain colonized South America. They look like large sheep, but they are members
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Why did Mozart die so young? No one knows what killed him. However, it was most likely not poison. Mozart died at the age of 35 on the 5th of December 1791. He was at home in Vienna, Austria. Despite his prodigious career and being the most famous composer of his day, he died without
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How is a Formula 1 pit stop so fast? It is a combination of practice, teamwork, and technology. The fastest ever pit stop recorded during a race was 1.8 seconds and it was achieved by the McLaren team during the Qatar race in 2024. What is the purpose of a Formula 1 pit stop? They
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Why does wine improve as it ages? It doesn’t always, and some old bottles might not be that good. However, the wine that does improve has smoother tannins. It is probably accurate to say that the flavor of the wine changes with age, not necessarily that it gets better. The oldest unopened bottle of wine
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How can you tell if a planet has life? The light coming to us from the planet’s star would show signs of oxygen, water, or some other chemical that we associate with life. The first problem with trying to find life on other planets is that we tend to look for the signs that our
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Why did knights start wearing armor? Technological advances in metallurgy and changes in society made it possible. Soldiers have always used some type of protection, be it a shield or a helmet. Very few people want to go into battle with only a sword and nothing to protect them. The first type of plate armor
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What caused the Great Vowel Shift? It was a very large change in pronunciation that happened in England between 1400 and 1700. Nobody knows exactly what caused it. If you try to read Chaucer’s Canterbury tales, you will be able to string the letters together into words and you can probably understand what quite a
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Why do we die so quickly without water? Our bodies need water for so many processes and that means it needs a steady supply of water going in to balance the water going out. There is a saying that a human can go three minutes without oxygen, three days without water, and three weeks without
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Can we eat insects? Yes. In fact, not only can we eat insects, but we should eat insects. They are nutritious, easy to grow, and not bad for the environment. The average human needs between 1,600 calories to 3,000 calories, depending on our gender and our body size. Those calories need to be roughly 60%
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