A news test that can diagnose COVID-19 within 20 minutes with the help of a smartphone camera, and detect how contagious a person is, has been developed.  Traffic lights across Melbourne are being probed in a bid to ease congestion for road users. in the biggest review of the lights since they were installed in Melbourne.  Melbourne nerds have been the losers ...after a leading Australian supplier of geek products battled it out with city’s biggest comic book store.  And Forbes has revealed that Singer Rihanna is worth a whopping $1.7 billion... making her one of the richest female musicians on the planet.  For updates and breaking news throughout the day, take out a subscription at heraldsun.com.au 

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