Tasty Mystery Baskets of Clips

I've extended a friendly, casual greeting.
I wanna know enough so I can talk to Leonard about his job.
- -equals mass times 9.8 meters per second per second.
I find it fascinating.
...to be asking another man's girlfriend to his experiment...
Hey, you don't have to be so mean.
The one with the frogs.
MA equals MG...?
All right, let us begin.
Did you take any science classes in school?
Look, let's not get off topic. Bernadette, I need to apologize.
Not that far back.
I think it upsets Sheldon when you play with the food.
It's up to you. He didn't call your experiment stupid.
You want me to put it back?
Women-folk?
I have to take notes?
That's great, Ma.
You said Leonard's experiment was stupid.
Oh, I can't say no to my little tushy-face.
But I now realize how foolish that is.
Come here, tushy-face.
...from the ancient Greeks through Isaac Newton to Niels Bohr...