A new model using sensors helps monitor buildings' stability and looks for any damage.
A study backed by the Bill and Melinda Gates Foundation shows that deaths from malaria have fallen 57% in the last 15 years.
Lucy Marcus argues that ethical norm of reciprocity seems to be going out of fashion.
In Cape Town, improved sanitation is vital to improve the lives of slum dwellers.
Dharvari, a slum in Mumbai, has a large informal econonmy - worth $1 billion according to some estimates.
Vaccine development needs to play a vital role in combating anti-microbial resistance, argue Professor David Heymann and Abbas Omaar.
Research looks at the impact of 13th century public clocks to examine the economic impact of new technology.
A new study looks at the health issues affecting populations in Africa.
Visa rules could be holding back innovation and research by keeping scientists at home - preventing collaboration.
The international activism of cities and states is rapidly growing, transforming diplomatic practices and the delivery of public services.
Every year in developing economies, thousands of young, talented workers return home wanting to change their countries. The challenges they face in doing so are enormous.
Robert J. Shiller argues that an intellectual revolution is coming, which could challenge the economic implications of the nation-state.
These are the countries giving the most official overseas assistance.
Justin Yifu Lin argues that China has an opportunity to lead global development.
This video clip shows how cities developed around the world over 6 millennia