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
Dan Mori Mori made his debut, coming on as a substitute in the 70th minutes for Tal Ben Haim, in a 2–0 win over Romania. In 2011, Mori changed his name from Dean to Dan because he believed the name "Dean means 'trial', and Jewish people shouldn't be called by that name". It was Chaim Kanievsky who was responsible for changing his name. Dan Mori Dan Mori (born 8 November 1988 as Dean (Din) Mori) is an Israeli footballer who plays as a defender. Mori began his football career, playing for Bnei Yehuda Tel Aviv and joined the club since he was