Transmission of Neurosyphilis from Person to Person. Neurosyphilis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people.
On May 29, 1953, Edmund Hillary and Tenzing Norgay completed the first confirmed ascent of Mount Everest, which stands 29,035 feet above sea level.
The 1922 British Mount Everest expedition was the first mountaineering expedition with the express aim of making the first ascent of Mount Everest. This was also the first expedition that attempted to climb Everest using bottled oxygen.The expedition would attempt to climb Everest from the northern side out of Tibet.t the time, Everest could not be attempted from the south out of Nepal as the country was closed to Western foreigners. The 1921 British Mount Everest reconnaissance expedition had seen the whole eastern and northern surroundings of the mountain.