Gram-positive bacteria lack regular outer membranes and instead have thickened peptidoglycan cell walls. Within the fabric of the cell wall, Gram-positive bacteria contain additional cell-wall ...

Welcome to science world. Now everyone loves a wee bag of chips, don’t they? Maybe a wee pasty or a battered sausage and if you’ve any sense you’ll cover it in a bit of vinegar. But did you know that ...