Meredith Wadman, a staff writer delving into heat and humidity's health impacts, joins to unravel the debate on which is deadlier in extreme conditions. She highlights the pivotal role of wet bulb temperature. Next, LH Lumey, an epidemiology professor, discusses his research on the lasting health effects of the 1930s Ukrainian famine, revealing that babies conceived during this period face a higher risk of type 2 diabetes. Their insights shed light on climate change’s impact on health and the long-term consequences of nutritional deprivation.

Meredith Wadman, a health and infectious disease writer, discusses the alarming rise of Valley Fever cases linked to climate change, drought, and wildfires. Her firsthand research in California's desert reveals the struggle to track this elusive fungus. Meanwhile, Tina Lüdecke, a group leader at the Max Planck Institute, dives into the diets of our ancient ancestors, using nitrogen isotopes to uncover when Australopithecus shifted to a meat-heavy diet, shedding light on how this transition may have shaped our evolution.