Coupled computer models will help officials know what to do as intense storms approach.
An African mega-city bets on technology and its native entrepreneurs to meet the many challenges of its population boom.
China has put political muscle and technology into Tianjin Eco-City.
Twenty years after it first surfaced, data-driven police work is getting more pervasive but remains controversial.
Open mapping tools help Jakarta plan for floods.
Mobile apps, sensors, and other technologies help cities handle growing challenges.
A novel kind of nanoparticle could lead to more effective cancer treatments.
Wireless links formed partly by lasers may offer a faster, cheaper way to improve mobile Internet.
A startup has started selling a battery that helps solar and wind power operate in remote locations.
A chip that tracks how a police officer’s gun is being used could prove useful in investigations and court cases.