Some Interesting Facts About Mount Everest

1. Euophrys omnisuperstes, also known as Himalayan jumping spiders, can live in nooks and crevices on the slopes of Everest. They’re virtually the only animals permanently based at such a high altitude, aside from a few species of bird.

2. Two Nepalese Sherpa mountaineer Sherpas, Apa Sherpa and Phurba Tashi managed to reach the summit an impressive 21 times. Phurba reached the top of the world three times in 2007 alone, and Apa has successfully summited the mountain almost every year between 1990 and 2011.

3. The limestone and sandstone rock at the summit of the mountain was once part of sedimentary layers below sea level 450 million years ago.

4. A research team discovered in 1994 that Everest continues to grow approximately 4 millimeters (0.16 in) every year. Researchers from the American Millennium Expedition in 1999 placed more accurate findings from the modern technology led to the official height of Everest being changed to 8,850 meters (29,035 ft).

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