A science lecturer and a student walk into a bar. The scientist says to the barman: “Can I have a glass of H20?”

The barman hands over the drink and the lecturer walks away.

Wanting to fit in, the student says to the barman: “I’ll have a glass of H20 too.”*

His funeral is tomorrow.

Chris

* H2O2 is hydrogen peroxide: A swig of which can kill you