Being dedicated to your science means getting a tattoo!

This lady is REALLY dedicated. She is an entomologist and that is no sushi tattoo either.*

*Sushi tattoos are the tattoos you usually see in the west.

It means a tattooed body that is made of lots of seperate tattoos.

No theme - no continuity. It's a derogatory term in Japan.

See here, here and here for more.

For you non-chemists that a serotonin molecule

This guy wears his heart on his sleeve - veryy nice!