This week is the Christian celebration of Easter, which sent the Unexpected Elements team scrambling for egg-related stories. First up, we find out about the rise of a vegan egg substitute. Next, we discover how to cook the perfect boiled egg, according to science. We then turn our attention to climate change, and find out how it is affecting the breeding patterns and nesting behaviour of sea turtles. Plus, we are joined by Dr Luis Welbanks, who tells us about a nearby exoplanet that reeks of rotten eggs. Finally, we delve into the science behind IVF. All that, plus many more Unexpected Elements.

Presenter: Marnie Chesterton, with Chhavi Sachdev and Sandy Ong
Producer: Alice Lipscombe-Southwell, with Debbie Kilbride, Robbie Wojciechowski and William Hornbrook

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