some brain STEM histology
The Big Bang Theory Season 5, Episode 16
Agh! Cherry STEM. Cherry STEM.
The Big Bang Theory Season 6, Episode 3
root and STEM. chanting all the while.
Game of Thrones Season 3, Episode 4
Had to Heimlich a cherry STEM
out of Sheldon.
The Big Bang Theory Season 6, Episode 3
You said they were raising money
for STEM cell research.
The Big Bang Theory Season 5, Episode 19