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.
In Twilight saga. Kristen Jaymes Stewart (born April 9, 1990) appears in all five movies of the series as Bella Swan. She also starred in films such as Speak, Panic Room, Zathura, The Cake Eaters, In the Land of Women, Catch That Kid, Adventureland, The Messengers, Into the Wild, The Runaways, and Snow White and the Huntsman.