'The damage has been done': As Trump claims victory on Greenland, Europe loses trust Hedge fund titan Ken Griffin says Japan's bond-market rebellion is a warning sign that the US needs to shape up its ...

People with lung disease, such as asthma, children, older adults, and outdoor workers should avoid prolonged or heavy outdoor exertion; everyone else should reduce prolonged or heavy outdoor exertion.

Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...