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**Researchers untangle the chemistry behind turning PVC into high-grade motor lubricant — plus, how engineered yeast can help make a cancer drug.** 00:45 The chemistry behind converting PVC into lubricant _Research article:_ [_Munyaneza et al._](#) 09:15 Research Highlights _Nature: _[_Engineered yeast that make cancer drugs could spare a rare flower_](#) _Nature: _[_Sickle-cell disease linked to prematurely aged stem cells in mice_](#) [**_Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday._**](#) --- Hosted on Acast. See [acast.com/privacy]( https://acast.com/privacy'>acast.com/privacy for more information.