-dunno, but i wouldn't think it would, i gotta remember to try it
-radios i believe work forever til they're destroyed, then the current song loop keeps playing untill it finishes, and doesn't loop again(it doesn't stop immediately). although i have found a bug that whenever you spawn a model (IE. a grenade or something) it will play the radio music at that place forever (but the distracting effect isn't there, just the music :p )
-If you killed the Gman (the owner of the corperation) then the owners son would take over, and if you read the bios on the player models, the owner's son is one of the player models (the one with a full suit)
-The scientists are brainstorming i guess, just standing around talking, throwing out ideas, the
real magic happens when you turn around :p
-I agree with devicenull, can't a man undergo surgery in peace(or pieces)?