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
Bárbara Mori allegedly saw in her nightmares. The crime-drama was filmed in Mexico city and is produced by Mori. The film earned mixed reviews from critics and viewers. In 2011, she got the main role in the action-drama ""Viento En Contra"", alongside actors Héctor Arredondo and Fernando Luján, in which she played a successful and promising CIO, who is unjustly involved in a police chase due to a scandal of a financial fraud. The film was distributed by Warner Bros and received mixed reviews by critics. The drama was filmed on locations of Mexico city and Valle de Bravo. Mori was the