Original ResearchPublished 11 August 2026Thermal and mass management of Walter-B nanoliquid with heat radiation and the Cattaneo–Christov double diffusion model incorporating microorganisms: convergence solution for stratified effectFarhan Ali · Imtiaz Hussain · S. S. Zafar · Muhammad Faizan AhmedFrontiers in Thermal Engineeringdoi 10.3389/fther.2026.1864538