If you’ve ever been stung by a jellyfish, you’ll know how incredibly painful it is—but you might not know why. In fact, their tentacles are covered in explosive cells that are like miniature hypodermic syringes filled with venom—and in this video, you can see how they work in microscopic slow motion. Read more…

Continue Reading:
This Is What a Jellyfish Sting Looks Like in Microscopic Slow Motion