A new study reveals significant alterations in growth, photosynthetic activity, and gene expression of freshwater algae due to cerium oxide nanoparticles. This research highlights the complex interactions between these microscopic pollutants and key aquatic producers, providing essential insights into the ecological impacts of nanomaterial pollution. A new study reveals significant alterations in growth, photosynthetic activity, and gene expression of freshwater algae due to cerium oxide nanoparticles. This research highlights the complex interactions between these microscopic pollutants and key aquatic producers, providing essential insights into the ecological impacts of nanomaterial pollution. Bio & Medicine Phys.org – latest science and technology news stories