Bombyx mori 300 to about 900 m (1,000 to 3,000 ft) long. The fibers are very fine and lustrous, about 10 μm (0.0004 in) in diameter. About 2,000 to 3,000 cocoons are required to make a pound of silk (0.4 kg). At least 70 million pounds of raw silk are produced each year, requiring nearly 10 billion cocoons. Due to its small size and ease of culture, the silkworm has become a model organism in the study of lepidopteran and arthropod biology. Fundamental findings on pheromones, hormones, brain structures, and physiology have been made with the silkworm. One example of this was
Memento Mori (The X-Files) a Drama Series for her work in this episode and the fourth season as a whole. Memento Mori (The X-Files) "Memento Mori" is the fourteenth episode of the fourth season of the American science fiction television series "The X-Files". It premiered on the Fox network on . It was directed by Rob Bowman, and written by series creator Chris Carter, Vince Gilligan, John Shiban and Frank Spotnitz. "Memento Mori" featured guest appearances by Sheila Larken, David Lovgren and Morris Panych. The episode helped to explore the overarching mythology, or fictional history of "The X-Files". "Memento Mori" earned a Nielsen household