While Isaac Newton attended Cambridge University, the school closed due to numerous outbreaks of the bubonic plague. It was during this time he invented calculus

He was just 23-years-old.

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Kleine–Levin syndrome (also known as Sleeping Beauty Syndrome) is a disorder that causes people to sleep for weeks at a time, waking up only to eat or go to the bathroom.

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🤟 Iconic band @Metallica is now on Telegram. Follow band's latest news, listen to greatest hits and watch exclusive videos.

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✅ Honey has a long preservation time, items soaked in it also can last for centuries. This is thanks to an enzyme in bee stomachs and honey's low moisture and high sugar content.

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You shouldn't rinse after brushing your teeth, spit out any excess toothpaste but don't rinse your mouth immediately after brushing, as it'll wash away the concentrated fluoride in the remaining toothpaste. Rinsing dilutes it and reduces its preventative effects.

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✅ 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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