If you do your washing up by hand instead of using a dishwasher, chances are your go-to tool for wiping food residue off of your plates is a good old fashioned sponge or scourer.
But did you know that using a sponge could see you smear even more bacteria over your crockery - even when it seems like it's clean?
That's the claim made by one research scientist, who says that anyone still using a sponge to wash their dishes needs to immediately chuck it in the bin.
