In my other life as a journalist, I spend a lot of time writing about white-sand beaches. And I’ve been lucky enough to walk along such beaches in exotic locations, as well as experience the silky softness of dune sand in the desert. But I’ve rarely stopped to think about individual grains of sand. Thank goodness, then, for Dr Gary Greenberg, who has put them under a microscope and … [Read more...] about What we miss while our heads are in the sand