In this episode of the Physics World Weekly podcast we chat about how a serendipitous collaboration involving the co-founder of the Shady Oak Butterfly Farm in Florida and an evolutionary biologist in California has shed light on how structural colour evolves in the buckeye butterfly.
We also report back from an online event in which experts from around the world compared notes on how COVID-19 restrictions in hospitals are affecting how radiation therapy is being provided to cancer patients.
