Granite is a natural stone with a radioactive background, so granite buildings have higher radiation levels.

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Laughter improves blood flow throughout the body.

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Hair contains information about everything that has been in your bloodstream, such as medicine, drugs, minerals, and vitamins.

Human hair absorb elements from the bloodstream and provide a historical record of both health and the use or nonuse of chemical substances.

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The Largest embryo is a shark litter, sometimes eats its brothers and sisters in the womb.

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White torture, often referred to as "white room torture" is a type of psychological torture technique aimed at complete sensory deprivation and isolation.

A prisoner is held in a cell that deprives them of all senses and identity. It is particularly used in Iran, however there is also evidence of its use by the Venezuelan and the United States intelligence services.

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Sharks don't have vocal cords. They communicate through body language, such as head butts, shaking their heads, or even hunching their backs.

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The tallest and smallest person of that time. This photo, made in 1937, shows Robert Wadlow (2.72 m) and Clarence Chesterfield Howerton (71 cm).

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Pineapples are not just a single fruit, but a group of berries that have been fused together

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👩‍👧‍👧Big family

The largest family in the world consisted of 94 children - from one father and 39 mothers

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The most common last name in the world is Lee.

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"Under Pressure" was written by David Bowie and Queen during a 24-hour wine and cocaine marathon.

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The red-billed quelea is the most common bird on Earth.

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The average person falls asleep in 7 minutes.

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The reason that the Canadian singer "The Weeknd" spells his name without the "e" is because of copyright issues. There was already a Canadian band named "The Weekend".

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In 2011, a man died as a result of inserting his penis in a bottle. Apparently, this was the first case of death related to penile strangulation ever recorded.

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The longest prison sentence ever was given to Chamoy Thipyaso, a Thai woman who defrauded 16,000 people in a pyramid scheme which netted her more than $200 million.

In 1989, a judge sentenced her to an astonishing 141,078 years for corporate fraud.

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The mountain viscacha is the most tired animal on earth.

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A UK trial of a four-day workweek with 61 companies found that 54 continued the practice, with most making it permanent.

Employees worked fewer hours while maintaining productivity, with some companies reporting revenue growth of up to 35%. Workers also experienced improved health, less burnout, and even weight loss.

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Samhainophobia is the fear of Halloween. People with this specific phobia feel anxious when they think about or experience anything to do with Halloween. Many people with samhainophobia have gone through a past traumatic situation related to Halloween.

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Copper door handles disinfect themselves

• Copper is toxic to bacteria, fungi, viruses, etc.

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Pigeons are able to disperse to 100 km/h in two seconds.

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