I've pinned this already but in pinning it again to give the proverbial middle finger to the fandom snobs who say you can't say Dr. or the Doctor etc etc......the BBC do, and if it's good enough for them .........You can! <<<thank you xx
...and it's only one particular genus of oyster that makes pearls. Don't fall for the ruse that some restaurants tell you: if you find one, it's yours to keep... They use the species of oyster that doesn't make pearls!