![is baked into
our biology.
is baked into
our biology.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
is baked into
our BIOLOGY.
The Big Bang Theory Season 12, Episode 22
![Don't blame me, blame your pal biology,
Don't blame me, blame your pal biology,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Don't blame me, blame your pal BIOLOGY,
The Big Bang Theory Season 10, Episode 5
![You know, biology.
You know, biology.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You know, BIOLOGY.
The Big Bang Theory Season 1, Episode 12
![Evolutionary biology
says that women are attracted to a man...
Evolutionary biology
says that women are attracted to a man...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Evolutionary BIOLOGY
says that women are attracted to a man...
The Big Bang Theory Season 6, Episode 18
![Here I was,
waiting to be bored with biology,
Here I was,
waiting to be bored with biology,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Here I was,
waiting to be bored with BIOLOGY,
The Big Bang Theory Season 10, Episode 19