Illegal Gold Mining By: Linus Koepcke, Reporter Why do people illegally mine gold? Is it really that valuable?
Viking “Sólarsteinn” Sunstones Used For Navigation – Iceland Spar By: Linus Koepcke, Journalist How did Vikings navigate at sea without GPS?
Salt And Its history In A Few Paragraphs – Halite By: Linus Koepcke, Researcher Salt, an vital rock and commodity- how did humans use it around the world?
