Category Archives: Answers

Why are Beets Red?

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Sharon S asks: Why are beets red? Beets contain a pigment known as betalain, which incidentally is Latin for a certain type of common beet (Beta vulgaris).  It was this type of beet that the betalain pigment was first extracted from. (It is contained in many different types of plants) Depending on which type of betalain pigment and the concentration […]

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What Causes Dew?

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Abi asks: What causes dew to form on grass and why does dew only form in the mornings? Actually, dew can form at any time; it just needs the right weather/temperature patterns to make it happen.  However, nighttime is usually the primary period when the factors that cause dew to form are just right. Although, as an example of when […]

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Why Do Doughnuts Have Holes?

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Kyle asks: Why do doughnuts have holes? Because bakers make them that way… 😉  In truth, nobody knows for sure why people started putting holes in the fried cakes.  There are some outlandish tales from a sailor, Captain Hanson Gregory, who claimed to have invented the holed doughnut in 1847 at the age of 16. There is even a plaque […]

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Where Does the Word Robot Come From?

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Petyl asks: Where does the word robot come from? The word robot was coined by artist Josef Čapek, the brother of famed Czechoslovakian author Karel Čapek. Karel  Čapek was, among other things, a science fiction author before there was something officially known as science fiction, in subject matter along the same vein as George Orwell. He introduced the word in […]

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Why are There No B Batteries?

Christine asks:  Where are all the B batteries?  There’s A’s (AA and AAA), no B, then C, and then D.  Why did they skip a letter? There actually are B batteries, but they aren’t something you’ll usually see stocked at most stores any longer.  Since the invention of the battery, there have been a pretty amazingly diverse number of battery […]

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