Here's where we derived the MASS
of the dark-matter particle.
The Big Bang Theory Season 3, Episode 4
I'm no longer obsessing
over why the predicted MASS...
The Big Bang Theory Season 4, Episode 7
Is your body MASS
somehow tied into your self-worth?
The Big Bang Theory Season 1, Episode 4
Yes, assuming the hypothetical planet
has a MASS greater than the Earth.
The Big Bang Theory Season 1, Episode 13
CALEB: Mass casualty events.
Westworld Season 3, Episode 8