Have you heard the one about the sick chemist? If you can't helium, and you can't curium, you'll probably have to barium.
Not geeky enough? Maybe this one: An ion meets his atom friend on the street and says he's lost an electron. "Are you sure?" asks the atom. The ion replies, "I'm positive."
Okay, so maybe science-themed jokes aren't the world's funniest. But if you're a scientist or certified science geek, they can be weirdly entertaining.
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But don't take our word for it. Dive into our collection of science jokes (above), created with a little help from Science Cat and sites like this one highlighting chemistry jokes, this one specializing in biology jokes and this one featuring physics funnies.
Will you laugh? Groan? Either way, if we've missed one of your favorites, tweet it to us with the hashtag #scijokes and we'll add the best ones to our slideshow.