An international team including the University of Tokyo has developed a mini “biomechanical well plate” designed to measure the pulse of lab-grown 3D heart tissue (cardiac organoids). The device uses a sensor inspired by the lateral line in fish—often described as a biological “sixth sense”—and translates organoid motion into measurable pulse data. The reported advance targets a practical barrier in organoid research: quantifying functional cardiac activity in a repeatable, instrumented way that can support drug testing and phenotype comparisons. For biotech R&D, the relevance is platform enablement—better readouts can speed preclinical cardiotoxicity and efficacy screening using engineered tissue models. Key industry takeaway: a fish-inspired sensing plate offers a new way to quantify organoid beats.