As I look down into a Petri dish of sand through a binocular microscope, the larger grains become obelisks, with smaller ones forming avenues between them. It’s a microscopic echo of the Chicago ...

Until now, most knew Vik Muniz as the São Paulo-born artist who transformed pieces of scrap metal, garbage, and otherwise inconsequential materials into large-scale works of art. Obsessed with the ...

Scanning electron microscopy reveals the shape and texture of a quartz sand grain from the Mississippi River. The pictured sand grain is about 200 micrometers in length. (Image credit: Michael Hasson) ...

Ask people how Stonehenge was built and you'll hear stories of sledges, ropes, boats and sheer human determination to haul stones from across Britain to Salisbury Plain, in south-west England. Others ...