The wristwatch was originally worn by women, only becoming accepted as a men's accessory over a century later due to the need for efficient, one-handed timekeeping by pilots and soldiers.

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When the brain lacks food, it slowly shuts down self-control processes.

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A person who weighs 45 kilograms on Earth would weigh approximately 3 kilograms on Pluto.

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The throat of a blue whale, the largest animal on Earth, has a diameter of only 10-20 cm.

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Veronica Seider, a German born in 1951, reportedly had visual acuity around 20/2-about 20 times better than average- allowing her to identify people over a mile (1.6 km) away.

This earned her a Guinness World Record for smallest visible object.

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Termites are being researched as a possible renewable energy source because their gut microbes can produce up to 2 liters of hydrogen from ingesting a single sheet of paper, making them one of the planet's most efficient bioreactors.

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Ants alone comprise about 20% of the entire animal biomass on land, totalling around 20 quadrillion. They outweigh all mammals and birds on Earth, combined.

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Here’s how Apple’s base iPhone models evolved in chipset power from 2019 to 2025. 📱💻📈

Which one was your first iPhone from this list? 👇🤔📱

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A person has about 2 million sweat glands.

The average adult loses 540 calories with every liter of sweat.

Men sweat approximately 40% more than women.

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If you give up sugar, your taste buds will improve.

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Cats are so farsighted that they can see almost nothing at close range

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Listening to music during training increases performance by 20%. This effect can be compared to doping.

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Vikings sold narwhal tusks as unicorn horns for centuries during medieval times, cementing European belief in unicorns and leading to the characteristic portrayal of unicorns having long, spiraling horns.

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🏔 In Switzerland, there is a hotel located at the highest point in Europe — at the summit of the Matterhorn.

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Glass has been recycled for almost 3,000 years. It never wears out as a raw material. Just one recycled clear glass bottle saves enough energy from the manufacturing process to light a 100-watt bulb for four hours.

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Every 98 minutes, a new word is created.

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Anorexia has the highest mortality rate of any psychological disorder: between 5% and 20% eventually die from it.

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Leonardo DiCaprio's first name was decided when his mother was pregnant, looking at a Leonardo da Vinci painting in a gallery in Florence, and he kicked for the first time.

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