It helps to have a sense of humor about all of this "stuff" that you're learning. The more you know, the “worse” the humor becomes! Here's some examples for you!
Q: What did the Nuclear Physicist
have for lunch?
A: Fission Chips.
Q: What did the thermometer say to the graduated cylinder?
A: "You may have graduated but I've got many degrees"
Have you heard the one about a chemist who was reading a book about helium and just couldn't put it down?

All that glitters may not be gold, but at least it contains free electrons.
A Higgs boson walks into a Catholic church. 
The priest says "Are you what they call the God particle?" 
The Higgs boson proudly answers "Why, yes!" 
The priest says "Blasphemer! Get out. We don't want your kind in here!" 
The Higgs boson replies "How will you have mass?"
A sign outside the chemistry hotel reads "Great Day Rates,  Even Better NO3-'s"
What do you call a tooth in a glass of water?  A one molar solution.