Beauty

Beauty

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The best hugs are probably from hagfish, which can extrude microscopic filaments that convert a huge volume of water around them to slime in seconds. Instant cozy blanket!

What If? is now on YouTube!
Check out the first video for the answer to
“What if we aimed the Hubble Telescope at Earth?”
and follow xkcd’s What If? The Video Series channel to be notified about each new video.