It's a science

Prof: Moment of honesty: raise your hand if you've played Mortal Kombat... Okay, women who've played, raise your hands. [Woman student], you play? What button do you push to make the "kick"?

Woman student: I just push all the buttons at once. Sometimes I win.

Prof: Oh. Well it's nice to see women playing that game. [indicating another woman student who had her hand up] You're both on call.