Paging Mr. Pedantic! “You called?” Yes, do cats sharpen their claws when scratching a tree? “No, they do not, they’re actually dulling them to reduce their size so they don’t grow out too far.”
I once did a walking tour of downtown Chicago. Every now and then I’d smelled something skunky and attributed it to maybe garbage or a smell wafting up from a sewer. Nope, it was from folks blazing up in the Loop. Confirmed by a scent emanating from a down-the-hall neighbor.
Heh, nice Futurama reference there