A professor was travelling by Luxury Yacht and he asked a sailor:
Do you know Biology, Ecology, Zoology, Physiology?
Sailor said no.
What do you know on this Earth?
After a while, a boat starts sinking.
The Sailor asked the Professor:
Do you know Swimming`ology from Sharkology?
The Professor said no.
Well sharkology & crocodilogy will eat your assology, headology together with your professology