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Irish version of the "Cups" song.
Blade sharpener infomercial fail, look for it...
World's coolest flight attendant.
Christian the Lion.
The power of words.
Coolest guy at the boat ramp.
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In this TED-Ed animated video by John Lloyd, we're shown what exactly in the world is invisible. Gravity, daytime stars, thoughts, the human genome, time, atoms, so many things we don't realize we can't see.