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Today I Found Out
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Feed Your Brain
Feed Your Brain

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Can Color Blind People See More Colors When They Take Hallucinogenic Drugs?

A quick introduction:

Most color blind people are able to see things as clearly as other people but they unable to fully ‘see’ red, green or blue light. There are different types of color blindness and there are extremely rare cases where people are unable to see any colour at all.

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Who was the Woman in the Famous Great Depression Photograph?

A quick introduction:

The Great Depression, the worst economic downturn in the history of the United States and the Western world, began on October 24, 1929, a day that has gone down in the history books as Black Thursday. The economy went into a tailspin with businesses laying off workers and wages for those still employed plummeting. Between 13 million and 15 million Americans were unemployed (about 11%-13% of the population) and couldn’t find work at the peak of the Great Depression in 1933.

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When Did People First Start Clapping to Show Appreciation?

A quick introduction:

Clapping is the near-ubiquitous way we show our appreciation of something, particularly when we’re in large groups. But have you ever wondered why slapping our hands together has come to be so closely associated with approval and where the practise originated from?

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Why Did People Stick One Hand in Their Jackets in Old Photographs?

A quick introduction:

Conveying calm assurance, the practice of placing one hand inside of a top garment is ancient, dating back to before people even wore jackets, at least as we think of them.

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The Fish That Talk with Farts

A quick introduction:

In addition to being an occasional biological necessity, human flatulence has served a variety of uses, including as a way to clear a room, entertain friends, torture a sibling, and tease a child (pull my finger). But while some humans have elevated farting to an art form (see: The Most Famous Farter in History), perhaps no entire species has elevated farting quite so high as the school-swimming herring, who use their butt vapors to communicate.

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Why Do Some English Speaking Countries Pronounce Z as "Zed" and Others as "Zee"?

A quick introduction:

It’s not just the British that pronounce “z” as “zed”. The vast majority of the English speaking world does this. The primary exception, of course, is in the United States where “z” is pronounced “zee”.

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How Do Deaf People Think?

A quick introduction:

Those who were born completely deaf and only learned sign language will, not surprisingly, think in sign language. What is surprising is those who were born completely deaf but learn to speak through vocal training will occasionally think not only in the particular sign language that they know, but also will sometimes think in the vocal language they learned, with their brains coming up with how the vocal language sounds. Primarily though, most completely deaf people think in sign language. Similar to how an “inner voice” of a hearing person is experienced in one’s own voice, a completely deaf person sees or, more aptly, feels themselves signing in their head as they “talk” in their heads.
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