Astronaut youngest person to fly in space is Gherman Titov, who was 25 years old when he flew Vostok 2. (Titov was also the first person to suffer space sickness). The oldest person who has flown in space is John Glenn, who was 77 when he flew on STS-95. 438 days is the longest time spent in space, by Russian Valeri Polyakov. As of 2006, the most spaceflights by an individual astronaut is seven, a record held by both Jerry L. Ross and Franklin Chang-Diaz. The farthest distance from Earth an astronaut has traveled was , when Jim Lovell, Jack Swigert,
Chinese as a foreign language also dispatched Chinese teachers abroad, and by the early 1960s had sent teachers afar as the Congo, Cambodia, Yemen and France. In 1962, with the approval of the State Council, the Higher Preparatory School for Foreign Students was set up, later renamed the Beijing Language and Culture University. The programs were disrupted for several years during the Cultural Revolution. According to the Chinese Ministry of Education, there are 330 institutions teaching Mandarin Chinese as a foreign language, receiving about 40,000 foreign students. In addition, there are almost 5,000 Chinese language teachers. Since 1992 the State Education Commission has managed a