Poor lab safety is like the third most common superhero origin story. According to comic books, all I have to do is leave my chemicals out near a window and wait for lighting to strike and then I can call up the Justice League for my membership card.

A chemist, a physicist, and a biologist go to the beach. The physicist is intrigued by the waves, walks into the ocean to examine them and drowns.

The biologist is intrigued by the various forms of life, walks into the ocean to study them, and drowns.

The chemist is sitting on the beach with a lab notebook and writes “Biologists and physicists are soluble in water.”