If you gave students around the world the power to study and manipulate genes in a test tube, what would they do with it? MiniPCR bio first began selling its portable, inexpensive polymerase chain reaction (PCR) machines in 2013. The machines allow users to multiply specific strands of DNA in minutes, following along with experiments through a phone app. Since then, the founders have been amazed at the amount of learning and research that has come from the devices. Researchers have taken the machines into the Amazon rainforest, the deep…