This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. All questions are welcome – serious, weird or wacky!

Australian children are among the least active in the world. In a recent study, Aussie kids ranked 140th out of 146 countries for physical activity. And in 2018, a physical activity "report card" gave ...

We were raised a little more free-range than our kids today. And I should know, I'm raising 3 (soon to be 4) of them. It's just wild when I think back, it's not that we were naughty, there were fewer ...