Computer scientists have written a network flow algorithm that computes almost as fast as is mathematically possible. This algorithm computes the maximum traffic flow with minimum transport costs for ...

Model vessels: study highlights the importance of dilation in the brain. (Courtesy: Shutterstock/Phonlamai-Photo) A new model based on the blood-vessel network in a ...

In many streams and rivers, water moves between the open channel and the adjacent groundwater. This exchange enables biological and chemical reactions in the sediments near the streams. These ...