Ponderables... Just what it says. What are some things that you think about?
Me: If you went bungee jumping, would it crack your back like a chiropractor? Would you be half an inch taller after the experience?

What happens to rubber from tires on the road? Does it come off in tiny bits? Where does it go?

Why do we consider hair on the head so lovely, but the minute it coils up in the shower drain it's the most disgusting thing ever?