Humans actually glow in the dark! We emit a small amount of light, but it’s about 1,000 times weaker than what our eyes can detect. This bioluminescence is caused by chemical reactions in our cells, and it fluctuates throughout the day, peaking in the afternoon.

The first 1GB hard drive was introduced by IBM in 1980, and it weighed over 500 pounds (227 kg)! It was the size of a refrigerator and cost around $40,000. Today, we can fit many times that storage on a tiny microSD card that costs just a few dollars.

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Did you know that the smallest bird in the world is the bee hummingbird? It's so small that it can fit in a teaspoon!

There’s a planet made entirely of diamonds! 55 Cancri e, a planet about twice the size of Earth, is thought to have a diamond-rich composition due to its high carbon content and immense pressure.

Fun Fact: Penguins have knees! Although they waddle, penguins have knees tucked up inside their bodies. They are covered with feathers, which is why they look like they’re just moving their little feet.

The human teeth are the only part of the body that cannot heal themselves.

Here's a paraphrased version:
Sunday is a day honoring the sun. In Roman culture, it was dedicated to their sun god. In ancient religions, the sun was seen as the giver of life and light. Some Romans even had a tradition of standing outside at dawn on Sundays to greet the first sunlight and pray.

A U.S. dollar bill can be folded approximately 4,000 times in the same place before it will tear.

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