In 1965, a covert US-CIA and Indian mission to install a plutonium-powered spy device on Nanda Devi failed due to severe ...

Since modern recreational climbing began in the late 19th century, breakthroughs derived from new technology and tactics have pushed it in myriad directions. Today, as international competitors at the ...

Walking up stairs is part of daily life for many people. While some can bound up a flight two steps at a time with minimal effort, others may struggle with the first step. Being able to walk up stairs ...