Rachel Scholes, an environmental engineering expert, discusses how tire wear particles like 6PPD-Quinone threaten both fish and humans, urging for tighter regulations. Pediatric endocrinologist Wayne Cutfield reveals that fecal microbiota transplants can lead to lasting metabolic benefits for obese adolescents, even years later. Terrence Cappellini shares insights on human pelvic evolution, crucial for bipedalism. Daniel Oblak explores ultra-weak photon emissions from living organisms, while Nirosha Murugan connects biophotonic signals to cancer and brain states, promising new avenues for non-invasive detection.