This week, we cell-ebrate how far biomedical science has come. We start with the basics: why scientists grow cells in labs, how they do it, and why sometimes a cell line is better than borrowing cells from a real human.

Then, we sit with the story of Henrietta Lacks and the immortal HeLa cells that were taken from her cancer (without consent) that revolutionised medicine. We tackle the massive ethical reckoning they demand. To finish, a leap into the future with organoids and 3D bioprinting, where researchers are literally growing tiny organs and printing living tissues.

Originally aired 9th December, 2025.

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