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.
Thousands of people have climbed Mount Everest since the first ascent in 1953 by Sherpa Tenzing Norgay and Sir Edmund Hillary, but its exact height has been a source of dispute ever since the first measurement was made in 1856.