Displays for flexible and wearable electronic devices currently rely mostly on plastic. Researchers Hai-Dong Yu, Juqing Liu, and Wei Huang wanted to find a more environmentally friendly and biodegradable material for these displays. They discovered that the gelatin derived from collagen in fish scales is a promising alternative. After the gelatin had dried into its mold, it showed attributes of flexibility and transparency, both important qualities for the electronic displays. Additionally, this fish scales-based film is easy to dispose of. It can be dissolved with hot water then recycled into new film, or degraded in soil within 24 days.

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