articles

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 rivers exist.

UC Santa Barbara professor guides researchers as they replicate his fieldwork 50 years later.

Patients who have preexisting respiratory conditions such as asthma or chronic obstructive pulmonary disease (COPD) and live in areas with high levels of air pollution have a greater chance of hospitalization if they contract COVID-19, says a University of Cincinnati researcher.

One consequence of the coronavirus pandemic has been global restrictions on mobility.

Explosive activity has propelled ash and gas high into the air over the Caribbean islands of Saint Vincent and Barbados.