DiurnaLearn

"An investment in knowledge pays the best interest." -Benjamin Franklin

Friday, June 3, 2016

Why are dumbbells called dumbbells?

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The term "dumbbell" developed in 17th century England, and it was inspired by the clappers (the weighted, swinging part of the b...
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Wednesday, June 1, 2016

Why do we weigh less in the morning?

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A common, erroneous explanation for why we weigh less in the morning is that the undigested food eaten throughout the day is absorbed into...
Tuesday, May 31, 2016

How does Goo Gone work?

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Goo Gone is an oil-based solvent mostly comprised of hydrotreated light petroleum distillates. Goo Gone also contains D-limonene, which i...
Sunday, May 29, 2016

Why are the insides of chip bags shiny?

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When you open a chip bag, you'll likely notice that the inside is shiny and foil-like. This shiny material is a metallized polymer la...
Thursday, May 28, 2015

What is the origin of "uppercase" and "lowercase"?

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In the days of typesetting, compositors stored their type in different type cases. These compositors arranged the type such that capital ...

Why do shampoo bottles have French translations?

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Shampoo bottles found in the U.S. typically provide both English and French translations. While not commonly spoken in the U.S., French i...
Monday, December 23, 2013

What does "from concentrate" mean?

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The words "from concentrate" often appear on juice labels. If a juice is made from concentrate, then the water in the orig...
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