Human head transplants - technically maybe, but not really.
Did scientists create a human liver from stem cells? Sort of, but not really.
A bone marrow transplant cures two men of HIV - actually yes, but don't get your hopes up.
Beware the toad with the weaponised moustache!
Guillemot eggs clean themselves.
Pluto's moons get official names, snubbing Stephen Colbert.
