Android was originally created as an operating system for digital cameras.

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Tickling was a form of torture used in ancient China nobility, because it left no mark and recovery was quick.

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Alligators rarely suffer from infections because they have robust immune systems

Their blood is effective against 23 strains of bacteria, and can even destroy a significant amount of HIV.

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Pupula Duplex is a rare condition where an individual has two pupils instead of one.

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Ants use “social immunization.” If one is infected with a fungus, they still lick the ant, spreading it throughout the colony. This practice both kills some of the spores, and builds immune resistance.

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The lump you feel in your throat when you’re nervous or crying is an autonomic response to stress that expands the glottis in an attempt to provide you with more oxygen.

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The speed record for cars in general was set in 1997 when British racing driver Andy Green drove the Thrust SSC jet to 1,227 km/h, breaking the sound barrier.

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Saliva contains the protein histatin, which heals wounds.

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If you eat a piece of bread and butter that contains 315,000 joules (315 kilojoules) of energy, you would have enough energy to walk or ride a bicycle for 15 minutes, jump for 6 minutes, or sleep for 1.5 hours. 315 kilojoules of energy would be enough for a 60 watt light bulb to burn for 1.5 hours, for a car to travel at 80 kilometers per hour for 7 seconds.

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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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