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.
Niylah is a recurring character in the third and fourth seasons. She is portrayed by actress Jessica Harmon, and debuts in Wanheda (Part 1). Niylah is a Grounder who ran a trading post with her father. She secretly traded supplies with Clarke during her self-exile, and later helped her escape the Ice Nation bounty hunters.