Our weekly news round-up: Platypus milk could help battle antibiotic-resistant bugs; Bantu archaeology aids study of gap in Earth's magnetic field; Murchison Radio Astronomy Observatory peers back almost to the time of the Big Bang, shedding light on poorly understood Dark Matter; VR providing the 'gamification of learning'; Kitty hawk autonomous planes to be tested for official certification in NZ; Send your name to the Sun aboard NASA's Parker Solar Probe; Sydney bio-hacker with implanted public transport pass loses court case; Google Maps to include wheelchair accessible routes; Oculus Rift headsets suffer major outage; Uber self-driving car kills pedestrian in Arizona; Facebook shares drop amid concerns of misuse of users' data.