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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