Core Insights - The research team at Westlake University has achieved a groundbreaking result by successfully creating micron-level "tattoos" on the surface of live tardigrades using a self-developed ice engraving technology, which has potential applications in biomedicine and micro-robotics [1][2] Group 1: Research Breakthrough - The team utilized a novel ice engraving technique to achieve ultra-high precision micro-nano processing on living biological surfaces, marking a significant advancement in the field [1] - The research was published in the international journal Nano Letters and featured in Nature magazine's best scientific images of April 2025 [1] Group 2: Methodology and Challenges - The process involved inducing a cryptobiosis state in tardigrades, allowing them to withstand extreme conditions while being engraved with electron beams [2] - Special nano-organic ice films were applied to the tardigrades, which were then transformed into stable solid patterns through electron beam exposure [2] Group 3: Future Applications - The advancements in micro-nano processing techniques could lead to the development of more intricate structures on biological surfaces, with potential applications in bioelectronics, micro-robots, and deep-space life detection [2]