The Bee's Knees

Wildflower seed mixes are a go‑to strategy for supporting pollinators — but designing one that actually performs is more complex than it looks. Dr. Uta Müller shares her research on how grasses shape floral outcomes, why diverse mixes are more resilient, and how to design cost-effective mixes without sacrificing bloom. Whether you're enhancing a wildflower strip on farmland or restoring a native meadow, this episode reveals the design choices needed to create pollinator habitat that’s both beautiful and durable.
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How do bumblebees decide which flowers to visit? They weigh colors, shapes, and patterns—but not all at once. In this episode, Dr. Anna Stöckl shares surprising research revealing that bumblebees are strategic learners who constantly trade off the cost of learning new information against the payoff of making accurate choices. Discover how these tiny insects switch strategies based on what's easy to learn, and what a psychological phenomenon called "blocking" tells us about their intelligence. 

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Cities may look sealed and sterile, but Berlin’s sidewalks tell a different story. Dr. Sophie Lokatis reveals how pavement cracks host thriving communities of ground‑nesting bees—and why floral quality, not green space, shapes their success. A surprising look at the hidden biodiversity beneath our feet.
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What if one of the most important numbers in nature has been wrong this whole time? Dr. James Dorey joins us to unpack his team’s groundbreaking global estimate of bee diversity — and why thousands of species may still be missing from the map. We explore surprising hotspots, the bottleneck in documenting biodiversity, and how unnamed species shape conservation, agriculture, and ecosystem resilience. 

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A common household mosquito repellent may be silently harming the bees in your garden. Dr. Kimmo Kaakinen shares his study on how volatilized prallethrin—used in household vaporizers and portable mosquito repellers—impairs bumblebees' ability to navigate home. We learn why a 20-minute exposure can reduce homing success from 37% to just 5% and what this means for colony survival. Learn how understanding these threats gives us real power to make a difference for wild bees.

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