#186 What is vellum?

I learned this today. Vellum is a material for writing on that is made from prepared animal skin. The document on the front of this article is the Magna Carta. It is the document that tried to control King John of England and is one of the most famous documents in the UK. It was

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#183 Could Mars be terraformed?

I learned this today. Mars could be terraformed, but it would require more money than any government would be able to spend. Terraforming is the process by which an uninhabitable planet is transformed into a habitable planet. This would require modifying the atmosphere, temperature, ecology, and adding water. Carl Sagan came up with the idea

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#182 How do pineapples grow?

I learned this today. Pineapples grow from a small shrub and not on a tree. The majority of fruits grow on trees. Some that don’t grow on trees grown on a hanging vine, like grapes. Some grow directly on the ground. Watermelon and other melons grow on the ground, but they are technically berries, and

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#181 Why are some metals not magnetic?

I learned this today. Some metals are not magnetic because the magnetic poles of the atoms within them point in different directions and are weakly repelled by both poles of the magnet. There are different kinds of magnets. Some are permanent magnets, some are magnetized metals, and some are electromagnets. Magnetized metals are magnetic only

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#179 How do we vomit?

I learned this today. There is a carefully choreographed sequence of steps that enable us to vomit. Vomiting is a form of protection. It is the body’s way of getting rid of threats or things it feels might be dangerous. This could be a poison, it could be a chemical, it could be a virus

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