A Homo habilis discovering
his opposable thumbs says, "What?"
The Big Bang Theory Season 1, Episode 6
...Homo habilis would've figured out
to kill the guy with the runny nose.
The Big Bang Theory Season 1, Episode 11
The same thing that happened
to Homo erectus.
The Big Bang Theory Season 4, Episode 24
You know, a Homo novus, if you will.
The Big Bang Theory Season 2, Episode 5
Homo novus doesn't know.
The Big Bang Theory Season 2, Episode 5