Science jokes/pick up lines/quotes?

FunsizeSensation
Does anyone know any hilarious science jokes or pick up lines? :D

I'm a biology student so I only know a couple of biology ones.

One of my favourites is: You're so hot you denature my proteins XD

Another one is: I wish I was the DNA helicase so I could unzip your genes.

Any great ones I'm missing out on from other subjects?
Science jokes/pick up lines/quotes?
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