By Michael Bristow
The first all-female motorcycling group have reached Everest base camp - but it was far from easy.
By Matt Lloyd
The Tibetan president-in-exile urges the international community to act over Chinese oppression.
By Rajini Vaidyanathan
BBC News, Dharamshala
The Tibetan spiritual leader gave his views on Donald Trump, Brexit and China, in a BBC interview.
By Paul Rincon
Science editor, BBC News website
By Jonathan Amos
BBC Science Correspondent, Vienna
By Russell Hotten
Business reporter, BBC News