Researchers now think of rivers as existing in a persistent reorganizational state
Satellite views of Earth’s major river systems reveal their familiar treelike drainage patterns. The pattern — called dendritic — and its prevalence suggest that it may be the optimal state in which rivers exist.
Challenged by the knowledge that numerical models of …
Six years ago, scientist Michael Niederweis described the first toxin ever found for the deadly pathogen Mycobacterium tuberculosis. The toxin, tuberculosis necrotizing toxin or TNT, became the founding member of a novel class of previously unrecognized toxins …
