A 1962 Citroën DS ID19F ambulance.

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This is called “a painting within a painting”, and it was the biggest flex an artist could make in the 1600s

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The most common wild bird is the red-billed quelea, which inhabits areas of Africa.

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A lightning bolt can heat the air around it to about 30,000°C, making the air suddenly expand. This rapid expansion creates a shock wave that travels through the atmosphere as thunder. The temperature inside a lightning channel can be five times hotter than the surface of the Sun.

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You can get poisoned by eating too much cheese. It is called "Tyrotoxism."

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A glass of water at night helps prevent stroke and heart attack.

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The French National Library was founded in 1368 in Paris, by King Charles V.

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About 2% of people possess strong empathy, which allows them to feel pain when they see another person experiencing it.

This phenomenon is known as synesthetic pain.

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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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The prototype model of the wheelchair. This device of Dr. Clark's was advertised in 1878. It was designed to allow people with spinal problems to walk for a few minutes or even a few hours a day.

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For an average fist-sized rock, its terminal velocity in water is roughly 1.6 feet per second, translating to nearly six hours to reach the Mariana trench's 36,000-foot floor, if you threw it in it.

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A day on Venus is longer than a year on Venus.

Venus takes about 243 Earth days to rotate once on its axis, but only about 225 Earth days to complete one orbit around the Sun.

Even stranger, Venus rotates in the opposite direction to most planets. If you stood on Venus, the Sun would appear to rise in the west and set in the east.

It’s one of the strangest planetary rotations in our solar system. 🪐

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Tomatoes contain choline, which helps lower blood cholesterol, promotes hemoglobin synthsis and strengthens the immune system.

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In the 1930s, there were self-parking cars that car drivers could parallel park.

Thanks to the fifth wheel that could move sideways and help the driver to sneak into the smallest space.

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Oranges are not always naturally orange. In some places, they stay green even when ripe because of the weather. To make them look orange, farmers use either a safe red dye called Citrus Red No. 2 or treat the fruit with ethylene gas, which helps the skin change color faster.

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