(1) The lottery for day stalls. (2) Donuts! (3) The seafood is ready. (4) A broken tile. (5) The market empty, but not for long. (6) Fruit ready for sale. (All: Steve Scher)
Lab techs in resource-poor medical centers can cheaply diagnose the disease using Eshika Saxena's 3D-printed microscope and machine-learning web application.