Queensland’s Aboriginal communities are at risk of being exposed to an insurmountable Covid-19 threat when the rest of the state opens up, with vaccination rates in some areas trailing by years.Australians will be able to start paying for their shopping using QR codes before Christmas, after the repurposing of the QR code system that served the ­nation during the pandemic.Queensland is headed for a perfect storm that could see major projects such as Cross River Rail and Bruce Highway upgrades put at risk of delays and cost blowouts due to a looming, crippling worker shortage.And Australia is going to the moon for the first time in history, sending a rover on a NASA mission to investigate the lunar surface and research how humans could survive on Mars. For updates and breaking news throughout the day, take out a subscription atcouriermail.com.au