Are elephants the only source of ivory? No. Ivory comes from many other animals, besides elephants. It is also possible to make synthetic ivory. Ivory is a hard, white substance that forms the teeth and tusks of a lot of animals. It is made of dentine, which is a form of bone. The inside of […]
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Why does walking become harder as we get older? It is a combination of age-related factors, such as stiff joints, brittle bones, lack of balance, deteriorating muscles, shortening ligaments, deteriorating nerves, and even neurological factors. As we age, our bodies start to deteriorate and that results in a changed way of walking. That is unavoidable,
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Why is the black market called the “black” market? This type of market has existed for as long as there has been trade, but the name “black market” appears to have become common after World War 2 and it is probably only called black because it is a shadow, or hidden market. A black market
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Is there a land speed record limit? Because of physics and current technology there is, but no one knows exactly what that limit is. The current land speed record was achieved in 1997 and it is 1,223.657 km/h (760.343 mph). It was broken by a team driving a car called Thrust SuperSonic Car and the
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What are kosher and halal food? Kosher food is food that has been prepared according to Jewish law and Halal food is food that has been prepared according to Islamic law. The word “kosher” is a Hebrew word and it means “fit” or “proper”. Jewish people, if they stick to the rules, can only eat
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What was Antarctica like before the snow? Before it froze, Antarctica was a tropical forest with large trees and a lot of wildlife. First, we need to settle the difference between the Antarctic and the Arctic. It can be difficult to remember which is which, at least for me. It gets easier when you learn
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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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