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Researchers developed a way to control the degradation and "re-crystallization" of silk to create naturally lustrous, multicolored materials.

Scientists discovered that slightly changing the chemical "link" in a protein (from a gamma to an alpha bond) completely changes how it interacts with the body's immune system, potentially opening doors for new neuroprotective drugs. Source: Available for free via PubMed Central (PMC) . 3. "Multicolored Silk" and Natural Polymers 124163

If you prefer materials science, article in the journal Polymer (2021) is titled "Natural polymer towards lustrous multicolored silk" . Researchers developed a way to control the degradation

This research investigates modified versions of glutathione—the body's "master antioxidant"—to see if they can better protect cells from oxidative stress, a key factor in aging and diseases like Parkinson's. 124163