On a hot day in Washington, D.C., for example, temperatures varied nearly 17 degrees F between the warmest spot and the coolest. To cope with the heat, many cities are planting trees and carving ...

It normally is, but these are not authorized people.” How to spot a licensed food truck The Park Police officer told O’Brien that food trucks like the one she had bought from are denied ...

When high explosives are subjected to sudden shock waves, such as from an impact or detonation, tiny regions of intense heat—called hot spots—form at microstructural defects such as pores.

Road closures from the annual Cherry Blossom races will shut down tourist hot spots in the District this weekend. The Credit Union Cherry Blossom Races are put on by a consortium of credit unions ...