Language isn't just made up of letters and sounds - it's a living story of human history.
The words you use every day are hundreds or even thousands of years old, and come from the most surprising of places.
So here are 12 common words whose origins tell fascinating stories...
In 1977 NASA sent the "Golden Records" into space with the two Voyager probes, intended to be found by intelligent extraterrestial life.
They contain 115 images of life on earth, along with a variety of sounds and music. Here's what they included...
The misconception that there is no sound in space originates because most space is a ~vacuum, providing no way for sound waves to travel. A galaxy cluster has so much gas that we've picked up actual sound. Here it's amplified, and mixed with other data, to hear a black hole!
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Here's what's inside: https://t.co/Mung64czZs