The movie "
Sunshine" seems kinda fittin…
http://en.wikipedia.org/wiki/Sunshine_(2007_film)
This was a sleeper film,imo, i saw it recently and i'm thinking about seeing it again. Below is the trailer...you might find some similarities, or in the least an interesting theory to the heat resistance…
http://www.youtube.com/watch?v=YZ2-xR54UDU
edit: bonus footage of film...
http://www.youtube.com/watch?v=Qb01U5aKEDQ
Peace