If James McDonald is not the best jockey in the world this spring, and Chris Waller is not the best trainer, then Verry Elleegant might just be the best staying mare.New figures show almost 400 hospital workers have been stood down after they refused to be vaccinated against Covid-19 – the most based at the Women’s and Children’s.A pair of massive tunnel-boring machines, each the size of a large warehouse, will operate around the clock for two years to construct the Torrens to Darlington project’s parallel southern tunnels.And Australia should become a clean-energy superpower generating billions of dollars from   electricity exports by 2050, an online industry forum has heard.For updates and breaking news throughout the day, take out a subscription atadvertiser.com.au