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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The most viewed photograph in the history is the Windows XP’s default wallpaper.

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African-American mathematician, Katherine Johnson, who calculated Earth orbits and rocket trajectories for NASA's early space missions, helped to put astronaut John Glenn into the Earth's orbit in 1962. She was so skilled that Glenn had asked specifically for her and had refused to fly unless the calculations were verified by her.

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The most populous city in the world is Tokyo, Japan. As of 2021, the estimated population of Tokyo is over 37 million people, making it the largest city in the world in terms of population.

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Humans are born with about 300 bones, but some fuse together as we grow older. As a result, we only have around 206 left by the time we reach adulthood.

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'Switzerland' is the longest country name with no repeated letters.

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Jellyfish are considered biologically immortal in the sense that they don't have a fixed lifespan and don't seem to age in the same way as other organisms. Unlike most animals, they don't have organs or tissues that wear out over time, and they are capable of regenerating their cells and even their entire bodies.

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​​The microwave was invented by accident. An engineer at Raytheon was testing a magnetron when he noticed his snack had melted in his pocket. He repeated the procedure, and exploded an egg. He then decided to try building an oven.

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Plant called the TomTato was created in 2013 using grafting. The plant is a combination of a cherry tomato plant and a potato plant, and it produces both tomatoes above ground and potatoes underground.

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French was the official language of England for about 300 years.

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Sunflowers can help clean up radioactive soil, and this technique is being used in some parts of Japan to help rehabilitate areas affected by the Fukushima nuclear disaster. Sunflowers have a unique ability to absorb heavy metals and radioactive isotopes from the soil, which can help to reduce the levels of contamination.

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Mickey Mouse was the first cartoon character to talk in a synchronized sound cartoon. In the 1928 short film "Steamboat Willie," Mickey Mouse made his debut on the big screen and became an instant hit with audiences. However, he did not speak in that cartoon. It was in the 1929 cartoon "The Karnival Kid" that Mickey Mouse spoke his first words onscreen, which were "Hot dogs!"

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The average person typically has 6,000+ thoughts a day.

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