Dr Karl Kruszelnicki on Instagram: "📣 Shirtloads of Science 📣 In this episode, we’re joined by Associate Professor Sharna Jamadar, a cognitive neuroscientist at Monash University, to explore how the brain uses energy and how that changes across the lifespan. Did you know that a 10-year-old’s brain uses over 50% of the body’s total energy, compared to just 20% in adults? We dive into why younger brains work harder, the role of synaptic pruning and proliferation, and how the brain’s organisation