Teaching An Old Dog.

I'm still coming to terms with the fact that the Carpenter bee will adjust its wing speed to exactly the same resonance as perfect middle C in order to activate the pollen release from a certain flower (the name of which escapes me for the moment....well, forever, if I'm honest).
Don't even get me started on fruit ripening and how that has led to us having colour vision.
And then an office type-person tried explaining what Full Time Equivalents are but thankfully my brain spat that out before I could fully take it in.