Listen to some science jokes here...

and then explain the esoteric ones, please. Like the one where he says If you knew physics you'd be on the ground laughing now... I *thought* I knew *some* physics! And they didn't even tell the one about the two old Indian (feather, not dot) ladies sitting around bragging on their kids, only to be topped by a third one...

...because ...

...the squaw of the hippopotamus is equal to the sons of the squaws of the other two hides.