Scientist warns of Everest dangers from pollution, melting

Mount Everest and its surrounding peaks are increasingly polluted and warmer, and nearby glaciers are melting at an alarming rate that is likely to make it more dangerous for future climbers, a U.S. scientist who spent weeks ...

Why a deadly shadow hangs over Everest summit

As the return of cloud and frozen hurricane-force winds seal off Mount Everest for another year, questions are being asked about how to police the world's highest peak after the deadliest climbing season in years.

Three tonnes of rubbish collected from Everest

A dedicated clean-up team sent to Mount Everest has collected three tonnes of garbage in its first two weeks, officials said Wednesday, in an ambitious plan to clean the world's highest rubbish dump.

DNA managed like climbing rope to avoid knots

A process that cells use to unravel knotted strands of DNA – resembling a method used to control climbing ropes – has been uncovered by scientists.

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Climbing

Climbing is the activity of using one's hands and feet (or indeed any other part of the body) to ascend a steep object. It is done both for recreation (to reach an inaccessible place, or for its own enjoyment) and professionally, as part of activities such as maintenance of a structure, or military operations.

Climbing activities include:

Rock, ice and tree climbing all usually use ropes for safety or aid. Pole climbing and rope climbing were among the first exercises to be included in the origins of modern gymnastics in the late 18th century and early 19th century.

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