Flocking together: Study shows how animal groups find their way
...revealed a remarkably simple mechanism that allows flocking birds, schooling fish or running herds to travel in unison without any recognized leaders or signaling system. The finding, published in the Feb. 3 issue of Nature, helps settle age-old questions about how animals coordinate their actions. Previousl......ived neutrophils are the immune system's vultures, flocking to the site of an infection to target and ingest invading organisms. Although both cell types come from cells known as myeloid progenitors, each type relies on its own set of functionally active genes to carry out its particular role in fighting in...