The Bee's Knees

What if the key to understanding bee vulnerability isn’t just how hot the world gets—but where bees choose to call home? In this episode, we talk with Dr. Carmen da Silva, whose research on 95 Australian native bee species reveals that nesting behavior is one of the strongest predictors of how bees evolve heat tolerance. 
We break down how microclimates drive adaptation, why nesting behavior reshuffles which bees are most at risk, and what rising temperatures could mean for future foraging. It’s a conversation that challenges the “one‑size‑fits‑all” narrative about bees and climate change and a fresh, hopeful look at how behavior and evolution intersect.
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How does urban densification reshape pollinator life in our cities? Dr. Merin Reji Chacko shares research from Zurich that showed how solitary bees, social bees, hoverflies, and beetles respond differently as green space disappears. You’ll learn why flower‑rich gardens help some pollinators but not others, how specialized plants can maintain pollination even in dense neighborhoods, and why generalist plants struggle despite abundant blooms.
Discover what cities, gardeners, and even balcony growers can do to support pollinators, from creating connected habitats to embracing “messier” patches that provide essential nesting and nursery sites.

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Europe is warming twice as fast as the global average—and wild bees are running out of time. When spring arrives early or scorching hot, it triggers a survival crisis. We speak with Dr. Cristina Ganuza to understand what's really happening as springs get hotter. Her findings are eye-opening, revealing which bee communities are most vulnerable, and what we can actually do to help.

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What if we designed gardens with bees in mind—not just flowers, but the right flowers for the specific bee species that need them? In this episode, Jessica Gabler, an ecologist and landscape architect, shares her Target Species Planting concept, which identifies which pollen particular bee species need, then creates stunning perennial gardens that provide exactly that nutrition. As urban habitats shift and climate changes, precise pollinator-plant matching may be our best tool for supporting wild bees.
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Soil might not be the first thing you think of when you think about bees—but for most species, it’s home. In this episode, Dr. Marissa Chase shares new research from Minnesota prairies showing that soil sand content, not floral abundance, is the strongest predictor of where bees live. We explore why sand specialists don’t always choose the sandiest sites, what this means for rare and specialized species, and why many restoration projects still struggle to attract the bees they’re designed for. This episode will change the way you think about bee habitat—from the flowers we plant to the ground beneath them.
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