it is former children's laureate and broadcaster michael rosen, who is here. hello, michael. hello.er, has a lot of medical stuff in it because there is a lot that your recovery from covid, so specimen is almost... quite appropriate! quite an appropriate word, yeah. how are you feeling these days? very good. i am very glad you're on my right hand side because i can't really see with this eye. right. and i can't really hear with that ear but with these cans on it's fine. but they got knocked out micro—bleeds in my brain as a consequence covid. because we have heard so much, haven't we, in the last few years of the classic symptoms and all the rest of it. but that, as a lasting legacy of covid, is really quite something. yes. so, to be technical about it if we are going to medical, so when or if the covid virus gets into the bloodstream, then one of the cells that it attacks is the cells that prevent your blood from clotting, because you should only clot when you are exposed to oxygen. so if you attack those cells, you being the virus, then you start clotting and so that is why in the