Later this spring, officials said, a second smartphone app will debut, giving drivers and the city near real-time information about the probability of finding a parking space on each block.

WSJ: Parking App Helps Drivers Spot Spaces

Later this spring, officials said, a second smartphone app will make its debut, giving drivers and the city near-real-time information about the probability of finding a parking space on each block.

WSJ: City Unveils Parking App Pilot Program

Ventilation dilutes the concentration of infectious particles within any confined space, thereby reducing the probability of infection.

CNN: Commentary: Flu and your health on a plane