Updated: 8:29 PM UTC, Jul 16, 2017

Gender Symbols - Where Do They Come From?

The two original gender symbols are derived from astronomical symbols. They were first used to denote the effective gender of plants by Carolus Linnaeus in 1751.

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Your Hair Won't Grow Back Thicker or Faster After Shaving

Your hair won't grow back thicker, harder or faster when it is shaved. What gives this impression is that the hair is more rigid because it is shorter, and it itches because it is usually cut at an angle by the blade of the razor. It's only during adolescence that there is a change in the composition of the hair, making it harder.

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Why Do Commercials Sound So Loud?

Despite what viewers might believe, the volume on the TV does not increase during commercials. What gives this impression is the technique known as dynamic range compression, which causes the sound to be perceived as amplified to the ear.

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The Meaning of the Amazon Logo

The logo of Amazon, the Internet-based company based in the US, was created to represent the message of a smile (satisfaction of customers) and an arrow that goes from A to Z (the endless array of products).

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Deceptive Plants Lure Unsuspecting Insects

To promote pollination, certain flowers attract insects by mimicking their sexual partners. In the case of orchids, the flower, by its color, furry body, and smell, mimics the female of a species of wasp.

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Homer Respects Traditions and Customs From Around the World

The famous series “The Simpsons” is dubbed in many different languages such as French, Japanese, German, and Arabic. Local idioms and religious customs are frequently adopted in place of direct translation. For example in the Arabic version, in order to respect Islamic traditions, Homer drinks soda pop instead of beer and chomps down on all-beef wieners.

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The True Cost of Higway Construction

The cost of building a highway is astronomical. On average in the US to construct a new 2-lane undivided road will cost taxpayers about $2-$3 million per mile in rural areas and about $3-5 million in urban areas.

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The Relationship Between New York City and the City of Angouleme in France

New Angoulême was the name given by the Italian explorer Giovanni da Verrazano to the site of what would become New York City. This name was chosen in honor of his sponsor, François I, King of France and Count of Angoulême.

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St Bernards And A Barrel Of Alcohol

St Bernards have never worn barrel of alcohol around their neck. It is an image that was created by the painter Edwin Landseer describing the rescue of mountain climbers after an avalanche. This image was so endearing that the St Bernard and the alcohol barrel have been associated since.

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Most Phone Numbers in American Films Begin with "555"

In American movies, phone numbers most often begin with "555". It's not a coincidence, because the numbers 555-0100 to 555-0199 were specifically reserved for use in movies, so that no one is bothered if their number appeared fortuitously.

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The Maggie Simpson Supermarket Scan

In one of ''The Simpsons'' TV episodes, Marge and Maggie are checking out groceries at the supermarket. Maggie, who is sitting on the conveyor belt, is accidentally scanned along with the groceries as Marge reads her magazine, Mom Monthly. Maggie is scanned at $847.63 (which represented the monthly cost of raising a child at in the United States) and is dropped into Marge's shopping bag.

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Ocean Seaweed And Oxygen Production

Contrary to what people think, it is not forests that produce the most oxygen, but rather ocean seaweed. This organism produces more than two-thirds of the oxygen on the planet.

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