Category Archives: Answers

Who Invented the Fahrenheit and Celsius Temperature Scales and What Zero Degrees Fahrenheit Signifies

B. Halpern asks: 0 degrees Celsius is the freezing point of water. So what is 0 degrees Fahrenheit? Who came up with Celsius and Fahrenheit? Firmly entrenched in American society, the seemingly capricious nature of the Fahrenheit temperature scale could lead one to think that its Dutch inventor, Daniel Fahrenheit, pulled the number for the freezing point (32°F) of water out […]

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Pieces of Eight and Two Bits

Michael A. asks: Why is “two bit” something cheap? Thanks! There was a time in America when rather than U.S. dollars or British pounds, most people bought and sold with Spanish coins. During the 18th century, gold and silver were precious commodities. No active mines were operating in British North America, and Britain was keeping a tight hold on its […]

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Why Does a Mailbox That is Essentially a Container With a Door Need “Approved by the Postmaster General”?

James I. asks: I was at Lowes and noticed mailboxes say “approved by the postmaster general”. What specifications do a mailbox need to reach to be approved in this way? I mean, it’s a box with a little door and a flag. Are those the requirements? What’s the process here? Thanks! While the United States Postal Service (USPS) and the […]

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How Do Clams Reproduce?

F. Whisten asks: Is it true that all clams are male? If so, how do they reproduce? Encased in a hard shell, brainless and possessing only a single limb (a retractable foot that looks like a tongue), clams seem like a species for which reproduction would be difficult. And yet, each year, millions of clams are born – thanks in […]

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Why Sugar Doesn’t Spoil

Mark U. asks: Why doesn’t sugar ever seem to go bad? Two foods are left out on the counter – fresh tomatoes and a bowl of sugar. Within a week or so, one will develop black spots and the other remains pristine, albeit perhaps a little clumpy depending on the humidity of the air. The reason? Osmosis. While microorganisms love […]

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Does Canadian Beer Really Contain More Alcohol Than Beer Made in the United States?

Paul E. asks: Is it true that Canadian beer has a lot more alcohol in it than American beer? Canadians boast longer lives, safer communities, free nationalized healthcare, a cleaner environment, the most gold medals in Olympic hockey, and, of course, poutine. But, contrary to popular belief, one thing they don’t do any different than their friends to the south […]

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