![Madam Curie's discovery of radium
turned out to have great potential...
Madam Curie's discovery of radium
turned out to have great potential...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Madam Curie's discovery of RADIUM
turned out to have great potential...
The Big Bang Theory Season 1, Episode 2
![...this is Madame Curie killing herself
by discovering radium.
...this is Madame Curie killing herself
by discovering radium.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...this is Madame Curie killing herself
by discovering RADIUM.
The Big Bang Theory Season 6, Episode 4
![♪ Of a radium in a lead jar
♪ Of a radium in a lead jar](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Of a RADIUM in a lead jar
The Big Bang Theory Season 12, Episode 23
![Don't you worry about the residual radium
from the luminous dials?
Don't you worry about the residual radium
from the luminous dials?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Don't you worry about the residual RADIUM
from the luminous dials?
The Big Bang Theory Season 2, Episode 1
![♪ Of a radium in a lead jar...
♪ Of a radium in a lead jar...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Of a RADIUM in a lead jar...
The Big Bang Theory Season 12, Episode 23