Almost a quarter of a million middle-aged people older than 40 can get their Covid-19 vaccination in Adelaide from today as the state’s rollout significantly expands.A long-awaited high-voltage electricity link between South Australia and NSW will go ahead – with promises of cheaper power and a renewable energy boom – after approval from transmission firm ElectraNet.A world-first study led by Adelaide scientists has found a drug that could stop athletes from developing CTE, a deadly brain disease caused by repeated concussions.And in sport, freshened up by a break at just the right time Port Adelaide is peaking to take on its biggest bogey side undeterred by the Covid situation which means Thursday’s clash with Geelong doesn’t have a locked in home. For updates and breaking news throughout the day, take out a subscription atadvertiser.com.au