Kanchha Sherpa: The last of the first on Everest

Nonagenarian Kanchha Sherpa is the last surviving member of the 1953 expedition that saw Edmund Hillary and Tenzing Norgay Sherpa become the first humans to summit the world's highest mountain.

New source of fire records gives a bigger picture of the risks

Sand dunes are not an obvious place to find high-quality fire records. For a start, anyone who walks on the forested sand dunes of South-East Queensland will be impressed by the intensity of ant activity at their feet. The ...

Then and now: 70 years of Everest

Seventy years ago, New Zealander Edmund Hillary and Nepali Tenzing Norgay Sherpa became the first humans to summit Everest on May 29, 1953.

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