roads

A red car and a large salt truck drive on a snowy road next to a mountain.

Can bacteria help us prevent salt damage to concrete roads and bridges?

Science

Spring has long been filled with bumps and potholes in roads, many of which are caused by the salt that makes driving safe all winter. New research has shown how this annual problem could become a thing of the past with bacteria, which are being used in the fight to maintain our roads and save our streets from costly damage.

Stockholm's highly-efficient subway system. Trains are known for running frequently and on time. They have large ridership but are not overly crowded because of the frequency of the trains.

US transportation is so far behind Sweden’s it’s not even funny

Economics
Workers pour molasses onto a road in Playa Guiones.

Dusty roads in Costa Rica make for a sticky situation — literally

Environment
A hostess waits for participants at the Stiletto Run in Constanta, 155 miles east of Bucharest

In one Colombian town, women say no sex until their demands are met

Development & Education