Tibet has happened, when a debris flow came down one of the river valleys. The toll is still unclear. The images show a wall of mud, tens of ...

It was June 1893, and the Fram expedition had just set off. On board the Fram were Otto Sverdrupp as captain, Fridtjof Nansen as science lead, and 11 other crew members. The goal was to reach the ...

Observing means noting the details, seeing what is important, what it shows or indicates. Speculation is allowed, but opinions should be based around facts and the holder should be willing to change ...