Fuel fleas. Fuel fleas are microscopic hot particles of new or spent nuclear fuel. While small, they tend to be intensely radioactive. The fuel particles, the size about 10 micrometers, are a strong source of beta and gamma radiation and a weaker source of alpha radiation.
Bella Cullen(played by Kristen Stewart in the movies). Bella Swan is 18 at the time she's turned into a vampire in Breaking Dawn. She is the central character in the Twilight saga and took the name Cullen when she married Edward Cullen.
Scroll down for the trailer... 1  We'll protect you: Bella (Kristen Stewart) and Edward Cullen (Robert Pattinson) watch over daughter as werewolf friend Jacob (Taylor Lautner) looks on in new stills from The Twilight Saga: Breaking Dawn - Part 2.