What is it about?

Our latest study delves into the fascinating world of stinger-like structures in nature, revealing their universal geometric trait and potential applications in engineering and medicine. Stingers, found in diverse organisms from microscopic radiolarians to majestic narwhals, exhibit a remarkable self-similar geometry: the diameter increases along the distance from the tip following a power law. Through meticulous observations and rigorous analytical and experimental techniques, we've uncovered the optimization principles behind these structures. Our findings demonstrate how this unique geometry balances the stinger's ability to penetrate and resist buckling, offering insights into the evolutionary and mechanical aspects of these natural defense mechanisms. Importantly, we've identified that this optimal tapering exponent remains consistent across different stinger sizes and shapes. Join us in exploring the hidden secrets of nature's stingers and their transformative potential!

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Why is it important?

Our research uncovers the secrets behind stinger-like structures found across various organisms. These structures, spanning a vast size range, share a common geometric trait: a non-linear relationship between diameter and distance from the tip. By delving into the mechanics behind this phenomenon, we shed light on the evolutionary optimization of natural stingers. But the impact doesn't stop there! Our findings also inspire innovation in technology and biomedicine, offering new avenues for needle design using sustainable non-metallic materials. Join us in unlocking nature's potential for a better tomorrow! #Research #NatureInspired #Innovation

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This page is a summary of: The shape of Nature’s stingers revealed, Proceedings of the National Academy of Sciences, February 2024, Proceedings of the National Academy of Sciences,
DOI: 10.1073/pnas.2316320121.
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