Environment Creating an Atlas of the Cells in the Human Body Two biologists are working on a moonshot project to identify and map every cell inside of us. Josh Peters
Environment Scientists Quantify How Different Humans Are From Each Other, Genetically We're definitely distinct, but not too different. Francie Diep
Environment Are We Still Evolving? Yep, but there's a catch: Our identities might be too fluid for any advantageous mutations to take hold. Michael White