"A topologist walks into a cafe:
— Can I have a doughnut of coffee, please?"
Hey, don't look at me like that, I'm just the messenger.
More from Tanya Khovanova here:
@dpiponi - is that the most funny of the 400 jokes she has compiled?
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@johncarlosbaez @dpiponi like animals in zoos, I find that jokes are best enjoyed in the wild.
