its all these rocks in the landscape tell a story of course you have to be able to understand their language but then they no longer keep their secrets. on the contrary they re full of stories and they can hardly wait to tell them. with the help of greenland rock rosing estimated that life on earth began three hundred million years earlier than previously thought winning him worldwide acclaim. now he s collecting glacial mud instead of rocks as he searches for a new story a story that could benefit his country. at this inland spot the ice has melted. what it s left behind looks like a rocky desert but in fact the sludge is a vast reservoir of minerals which could help fertilize depleted soils.