Our weekly news round-up: Mars VR on Kickstarter to fund new open source VR platform for the public and eventual settlers to visualise Mars landing site; How binge drinking leads to insomnia; New Firefox desktop browser is strong response to crisis of confidence with internet's privacy and security; Tesla ramps up Model 3 production, but still struggling to hit 5000 a week goal; NZ will introduce a universal non-cash payment method for all public transport.