While smell plays a considerable role in the social interactions of humans—for instance, signaling fear or generating closeness—for ants, it is vitally important. Researchers from New York University and the University of Florida found that a key protein named Orco, essential for the function of olfactory cells, is also critical for the cells’ survival in ants. While smell plays a considerable role in the social interactions of humans—for instance, signaling fear or generating closeness—for ants, it is vitally important. Researchers from New York University and the University of Florida found that a key protein named Orco, essential for the function of olfactory cells, is also critical for the cells’ survival in ants. Plants & Animals Molecular & Computational biology Phys.org – latest science and technology news stories