Originally Posted by Pitter Patter
We all know someone who can twitch their nose, or wiggle their ears. Personally, I am a nose person. Just wondering if either of these traits would be evolutionarily justifiable? What possible benefit do either of these gain?
For a start, you are assuming that these tricks can be done because they confer some particular survival benefit, when it may simply be that you have certain muscles that, incidentally, can be used to twitch your nose or ears.
I can type "FXFETFCCR" on this keyboard. What possible benefit does a keyboard designer gain by permitting me to type that?