Carefully arranged within thousands of drawers, flat files, and shelving units are the collections of the National Museum of Natural History (NMNH) which together comprise 90% of the Smithsonian’s collections. Found in these material assortments are the reference objects that help scientists, researchers, and museum curators understand our planet—from solid earth fragments to biological material and cultural objects from civilizations long deceased. In this phenomenal photo series from the Smithsonian we get to see the many researchers paired with the items they explore and evaluate behind doors closed to the general public. More