A simple tool can say a lot about us. Like this Midi earring inspired by the first arrows found in South Africa 60,000 years ago. A mere hunting instrument? Much more! Aside from facilitating targeting from a concealed position and providing added security when stalking animals with dubious intentions, the artefact implies a host of skills: advanced cognitive development and notions of abstract thinking, to name a couple. Then some analogue reasoning, multitasking skills, and mental fluency. And an evident capacity for innovation. And, all this, in a single accessory not designed to be launched…