✅ In 1964, Douglas Engelbart invented the first computer mouse, made of wood and consisting of two metal wheels. This invention was a crucial step in the development of computing and the mouse has since become a widely-used input device for computers and other digital devices.

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Pistanthrophobia (noun): The fear of trusting people due to past experiences and failed relationships.

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Camels have three eyelids to protect themselves from the blowing desert sand.

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✅ Saturn is massive, with a diameter of 120,536 km (74,897 miles), making it possible for Earth, with a diameter of 12,742 km (7917 miles), to fit inside it 755 times.

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Your mouth blows warm air when you say "haaah" but cold when you say "whooh"

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Two fifths of all land in the United States is farmland.

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There's a blue planet where it rains glass. It's 63 light years away and is a gas giant with a daytime temperature of 2,000 degrees Fahrenheit where it possibly rains liquid glass sideways amid 4,500 mph winds.

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Dogs and cats, like humans, are either right-handed or left-handed.

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Leonardo da Vinci could write with one hand while drawing with the other

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✅ The largest snowflake on record is thought to have been 15 inches (38 cm) wide and 8 inches (20 cm) thick, and was reported to have fallen in Fort Keogh, Montana in the United States in 1887.

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Your eye color can change during childhood, puberty or pregnancy.

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A starfish can regrow a lost limb, and in some cases, a lost limb can even regrow into a whole new starfish.

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The word 'infant' comes from the Latin word 'infans,' meaning 'unable to speak' or 'speechless'

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During the filming of "Dumb and Dumber," Jim Carrey had a temporary removal of his crown, resulting in a real chipped tooth from a childhood fight.

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The first photograph was taken by Joseph Nicéphore Niépce in 1826 using a camera obscura and a process known as heliography. The photograph, titled "View from the Window at Le Gras," required an exposure time of around 8 hours to capture an image of the outside view.

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The first person to solve a Rubik’s Cube spent a month struggling to unscramble it. It was the puzzle’s creator, an unassuming Hungarian architecture professor named Erno Rubik.
Now, the 3x3x3 world record single in competition is 3.47 seconds by Yusheng Du.

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Sharks don't have bones.

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The number of mobile phones in the world is greater than the number of people on Earth.

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The most expensive film ever made was Pirates of the Caribbean: On Stranger Tides, which cost 378 million dollars to create. For reference, the average budget for a big studio movie is around $65 million.

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From 1836 for nearly 10 years, Texas was a country. Called the Republic of Texas, it was recognised as an independent nation by France, Belgium, the Netherlands and the USA.

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