Researchers have once again turned to “chemical gardens” — fascinating, plant-like structures that grow spontaneously when certain metal salts are placed in water — to gain new insights. These self-organized formations, with their twisting tubes and colorful filaments, emerge from complex interactions of chemical, physical, and biological processes. A European network of scientists, COST Action Chemobrionics (CBrio), has brought together experts from multiple disciplines to study these phenomena. Their goal is to unlock principles that could inspire the design of novel materials, advance biomedical devices, improve methods for capturing carbon dioxide, and even shed light on how life might have originated on Earth. As part of this effort, researchers have also created an online Chemobrionics Database, which categorizes various chemical gardens based on their components and experimental conditions, making this knowledge accessible to a broader scientific community.
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