A team in Argentina is using sensors based on TinyML technology to study Chelonoidis chilensis tortoises. Little is known about its biology and the species is in a vulnerable state. The small sensors, in black on the shell, are small enough to allow the animal to move freely. February 8, 2024 AI in the developing world: how ‘tiny machine learning’ can have a big impact Marco Zennaro, Abdus Salam International Centre for Theoretical Physics (ICTP); Brian Plancher, Barnard College; Matthew Stewart, Harvard University, and Vijay Janapa Reddi, Harvard University Traditionally dominated by the use of centralised, resource-intensive servers, machine learning is being democratised with the growth of “TinyML”, distinguished by its small size and low cost.