From cosmetics to nutrition, collagen is seemingly everywhere — but we don't often discuss its ethically questionable sources, says chemical engineer Fei Luo. She delves into the groundbreaking technology that uses genetically modified yeast to brew animal-free collagen, a process that could pave the way for a functional, tasty and harm-free future for this crucial protein.

Want to help shape TED’s shows going forward? Fill out our survey!

Learn more about TED Membership here!

Hosted on Acast. See acast.com/privacy for more information.