Satellite views of Earth's major river systems reveal their familiar treelike drainage patterns. The pattern - called dendritic - and its prevalence suggests that it may be the optimal state in which ...

This is a preview. Log in through your library . Abstract Biological communities often occur in spatially structured habitats where connectivity directly affects dispersal and metacommunity processes.

The expanding ink droplet shears the underlying acrylic paint layer—the Marangoni effect. Saw a shop that was selling these as "fern fossils" when I, for once, looked smart when saying, "Actually...." ...