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Scientists Equip Cyborg Cockroaches With Chemical Diving Suits for Rescue

Singapore researchers have achieved a major milestone in biohybrid robotics with the field deployment of cyborg cockroaches for disaster response and infrastructure inspection. Developed by Professor Hirotaka Sato’s team at Nanyang Technological University (NTU), the system merges living Madagascar hissing cockroaches with microelectronics to navigate hazardous, human-inaccessible environments. On March 28, 2025, following a 7.7 magnitude earthquake in central Myanmar, the Singapore Civil Defence Force deployed a unit equipped with ten modified insects. Each cockroach carries a lightweight electronic backpack featuring infrared cameras, environmental sensors, and wireless telemetry. Neural control is achieved through micro-electrodes that deliver low-voltage pulses to guide movement while preserving biological function. This marks the first operational use of cyborg insects. To overcome the terrestrial limitation of drowning, the NTU team recently published findings in Nature Communications detailing a wearable chemical oxygenation system. A catalytic reaction between hydrogen peroxide and manganese dioxide, housed within a cellulose sponge, generates oxygen autonomously. A specialized micro-porous membrane regulates gas flow while preventing leaks. This apparatus enables submerged operations for up to three hours, maintaining stable locomotion through flooded, carbon dioxide-rich rubble. A fully internalized variant has successfully traversed submerged fissures under two centimeters wide. The platform evolved from early UC Berkeley beetle trials following the 2011 Japan earthquake, shifting focus to ground-dwelling species for superior load capacity. Recent iterations include solar-charging capabilities, an algorithm extending neural control beyond two hours, and a 2025 swarm protocol that cuts manual intervention in half. To resolve manufacturing bottlenecks, the team unveiled an automated assembly line in July 2025, reducing fabrication to under 70 seconds per unit. Beyond search-and-rescue, Singapore is piloting the technology for municipal utility management. The platform will inspect the city’s 6,000-kilometer water network, leveraging the insects’ compact footprint to detect pipe corrosion in spaces inaccessible to conventional crawlers. Researchers note that biological locomotion and sensory processing outperform equivalent mechanical systems while consuming significantly less power. Future development targets extreme-environment deployment. Following underwater validation, the team plans to evaluate the systems under vacuum, radiation, and hypoxic conditions, potentially enabling extraterrestrial reconnaissance on Mars. While biohybrid modifications raise ethical considerations, researchers stress that all components are removable and physiological metrics remain stable. As these platforms integrate advanced autonomy, they demonstrate a pragmatic convergence of evolutionary biology and micro-engineering.

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