Why do cats, dogs and other carnivores have far neater and straighter teeth than humans?

The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsWhy do cats, dogs and other carnivores have far neater and straighter teeth than humans? Dan Irwin, FolkestonePost your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday. Continue reading...