A new program has launched in Queensland to teach teenagers how to safely ride e-bikes and e-scooters on the roads. It comes as trauma experts warn the number of serious injuries and fatalities associated with these devices is rising, so when the stakes are so high, is education enough? 

Are you a glass half-empty or half-full kind of person? A long-term study out of Yale University suggests it actually pays to be an optimist, with people who have a positive attitude around getting older showing improvement in areas like memory, cognition and physical mobility. Geriatrician Kate Gregorevic unpacks the science behind ageing well.

Why is it that you can hold onto the lyrics to a song from 25 years ago, or the entire script of a classic movie, yet can't remember where you parked your car or why you walked into a room? Researcher Michelle Spear talks through the mysteries of our memory.