For generations, humanity has listened to the cosmos with ears tuned only to its own voice, assuming that intelligence elsewhere would announce itself in familiar terms. A new research model, drawing inspiration from the humble firefly's evolved flash, challenges this anthropocentric posture by proposing that alien signals need not be decipherable to be detectable — only distinguishable. Applied to pulsar data from the Australia Telescope National Facility, the approach asks not what a signal means, but whether it bears the structural signature of intentional design. It is, at its heart, an in