![♪ Six times ten to the eighth
atoms of radium ♪
♪ Six times ten to the eighth
atoms of radium ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Six times ten to the eighth
atoms of RADIUM ♪
The Big Bang Theory Season 12, Episode 23
![...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
![♪ If the half-life of radium
should happen to pass ♪
♪ If the half-life of radium
should happen to pass ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ If the half-life of RADIUM
should happen to pass ♪
The Big Bang Theory Season 12, Episode 23
![bathed in the glow of their love
and the radium
bathed in the glow of their love
and the radium](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
bathed in the glow of their love
and the RADIUM
The Big Bang Theory Season 5, Episode 16
![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