id author title date pages extension mime words sentence flesch summary cache txt v692t439208 Gurdip Uppal Evolution and Control of Microbial Cooperation and Specialization in Dynamic Fluids 2020 .txt text/plain 389 21 45 At intermediate nutrient distributions, slow microbes evolve to hitchhike on faster ones, leading to a tragedy of commons where there are no longer fast microbes left to exploit. Finally, when nutrient sources are distributed far apart, fast microbes evolve to adhere to each other, and cooperate to reduce their hydrodynamic drag, benefiting the whole population. cache/v692t439208.txt txt/v692t439208.txt