Why are muskox invisible to satellites? Muskoxen are invisible to heat detection cameras on satellites because they are extremely well insulated by their fur. Muskox are called muskox because of the smell the males produce during mating season. They have a gland called the preputial gland which produces a strongly scented fluid. The preputial glands […]
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What was an auroch? An auroch is a type of wild cattle that went extinct during the Bronze Age. It is probably the wild ancestor of modern domestic cattle. There is a lot of talk about trying to bring aurochs back from extinction, but I don’t know if that will happen. The word auroch comes
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What is Agent Orange? Agent Orange is a herbicide that is also a defoliant. That means it makes trees lose their leaves. Agent Orange got its name because the 55 gallon barrel it was stored in had an orange band around it. The US military used several different types of herbicides and they all had
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What is the worst a sunburn can get? A sunburn is usually only a first-degree burn because it only burns the outer layer of skin. However, a third-degree sunburn is technically possible. There are different types of burn. The most common is a thermal burn, caused by heat. This is often from fire, or hot
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How big was the giant sloth? The giant sloth’s scientific name is Megatherium americanum, and they were about the same size as an elephant. We are very used to the two different types of sloth that we have on Earth today. They re divided into two-toed and three-toed sloths depending on … wait for it
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How does anesthesia work? Most anesthetics work by blocking the signals to nerves. There are some aesthetics where scientists don’t know how they work. The word “anesthesia” comes from Greek, through Latin. The Greek word was anaisthesia, and it means “lack of feeling, perception, or sensation”. The route “an” means “without”. The word was only
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Why do they put fluoride in water? Not a lot of countries puts fluoride in their water supply, but those that do use fluoride, do it to strengthen people’s teeth and make them more resistant to tooth decay and cavities. There are two types of fluoridated water: artificial and natural. 5 countries in the world
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Why is a pronghorn so fast? The pronghorn evolved to have phenomenal speed so that it could outrun predators that no longer exist. A pronghorn is a hoofed mammal that lives in Western and Central North America. It belongs to the artiodactyl family. This family contains antelopes, hippos, deer, giraffes, camels, and 265 other animals.
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What is junk DNA? Junk DNA is DNA that doesn’t seem to do anything. It is not part of our coding DNA. DNA is in the cell nucleus of all of our cells. DNA stands for deoxyribonucleic acid. The deoxyribo part is sugar. The nucleic acid part is a long chain like molecule. Inside the
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What do mitochondria do? Mitochondria produce almost all of the chemical energy that cells need for all of their functions. Without the mitochondria, we can’t do anything. The word “mitochondria” was created in 1898 by a microbiologist called Carl Benda. He took the Greek word “mitos”, which means “thread”, and “khondrion”, which means “little granule”.
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