IEEE Spectrum has published a report on cyborg cockroaches, living insects fitted with electronics so they can serve as search-and-rescue helpers. The article's headline points to an unusual detail: the roaches can also stab people with needles. The source text available here gives only the headline and link, so the specifics of the hardware, the needle mechanism, and any test results are not covered in this summary.
Biohybrid insect robots are a growing research area. The idea is to use an insect's natural ability to squeeze through rubble and tight spaces, while electronics add control, sensing, or other payloads. Rescue work after building collapses or earthquakes is a commonly cited use, since conventional robots often cannot reach into small voids.
The needle detail shows how new capabilities on such platforms invite safety and ethical questions, including how the systems should be controlled, who might use them, and how they would behave around people they are meant to help. Readers who want the technical details should consult the full IEEE Spectrum article.