trees Your allergies are bad because of tree sexism Thom Dunn

Science We need a "science of the night" David Pescovitz

housing An entire village built on the roof of a huge building David Pescovitz

Technology Pipes under Portland produce power while they deliver water to homes and businesses Seamus Bellamy

Kids Great explainer on how bike-friendly road diets make everyone safer Andrea James

Kids Watch traffic flow better in 30 simulations of a 4-way intersection Andrea James

Kids Trailer for Elevation, a film on how drones will change cities Andrea James

new york city Gorgeous x-ray area maps show how street-level entrances connect to NYC subway stations Andrea James

design Living Tiny Bill Barol

Safety Drivers who dislike cyclists don't see them Andrea James

picks Public road built on top of 5-story building in China Carla Sinclair

traffic E-commerce is clogging American cities with real delivery trucks Andrea James

History Robert Moses wove enduring racism into New York's urban fabric Cory Doctorow

picks Drone's eye view photos reveal the racism of South African neighbourhoods Cory Doctorow