[ igor interpreting ] >> woman: bomkee, the word for "bigger...osquitoes." >> henry: a bigger bomkee is a big mosquito. >> igor: yes. 's a western ukrainian word. >> that's fine from this side, igor. is that all right for you? >> igor: yeah. >> henry: because his head is rigidly fixed, he can move, he can do anything he likes. [ marian and woman speaking ukrainian ] >> henry: no, no, not at all. dr. kurilets is quite happy up there. [ marian speaking ukrainian language ] >> woman: he can hear something scratching. >> henry: it will get very noisy when dr. kurilets starts drilling. because the whole skull will act like the soundboard of a piano. so it will be very, very loud. [ drilling begins ] a colleague of mine, a neurosurgeon, once did an experiment where he had a coeague of his drill a hole in his head. it was somscientific experiment with putting an electric wire into the inside of his head to measure the pressure. i mean, crazy. but he said it was very noisy, having the hole drilled in his head. [ marian speaking ukrainian language ] >> wom