"We can use some fancy math to predict how long the line will get," Keely Croxton of Ohio State says, then apply it to related problems.
Retailers and manufacturers are anxious about holiday shopping as they monitor supplies on delayed cargo ships.
Hundreds of thousands of freight containers wait to be offloaded at ports of Los Angeles and Long Beach.
A union in California goes up against the rising tide of automation.
East Coast ports can learn a lot from Los Angeles about handling giant ships.
A deal has been reached to end an eight day strike at the ports of Los Angeles and Long Beach, which handle almost half of all the cargo that arrives by sea in this country.
Already the strike has idled thousands of trucks and trains that take containers from the Ports of Los Angeles and Long Beach to factories and distribution centers.
It's possible America's busiest ports may not stay busy. Southern California currently receives most of the imports shipped from Asia. But that could change with a major expansion of the Panama Canal.