Awards for young female scientists in developing nations are giving them motivation and global acclaim.

The cities account for more than three quarters of emissions of CO2, are home to half the world population and will be 'highly visible' at Rio +20.

More than 6,000 US clinical trials are now conducted overseas, and the number is quietly rising in South America.

Nuclear power promises clean energy for developing countries. Dave Elliott charts its progress and prospects after the accident at Fukushima.

SciDev.Net reporters from around the world tell us which countries are set on developing nuclear energy despite the Fukushima accident.

Researchers are stepping up efforts to finding new treatments for Chagas disease, with three drug candidates in clinical trials.

Developing countries need more women scientists. Jeanne Therese H. Andres charts the obstacles and how to overcome them.

Women from Jordan, Kenya, Pakistan, Peru and the Philippines tell SciDev.Net how they realised their dreams of careers in science.

Can recent policies and new programmes tackle Mexico's serious shortage of homegrown science and technology? Cecilia Rosen finds out.

Priya Shetty explores the tools and partnerships that help the public health community counter the threat of counterfeit medicines.

The fight against counterfeits is deploying scanners, spectrometers and minilabs, but nothing can replace national regulatory systems, says Yojana Sharma.

New TB vaccines are facing a major funding shortfall, says Mićo Tatalović, and some countries seem resistant to accepting a future vaccine.

A dispute over the HINARI scheme, which gives poor countries free journal access, has exposed the sensitive border between aid and commerce, finds Yojana Sharma.

Mohamed Hassan, outgoing executive director of TWAS, talks to SciDev.Net about 25 years in the job and his hopes for the academy's future.

The Grand Challenges initiative has highlighted science's role in saving lives, but it will take longer to achieve concrete results, Bill Gates admits.

Can developing countries use nanotechnology to improve health? Priya Shetty looks at nanomedicine's promise.

A microbicide gel showed promise for the first time this year, but a range of HIV prevention could hit shelves in the next few years.

A range of crops rich in micronutrients will be launched from next year, but is the developing world ready, asks Tatum Anderson?

As International Day for Disaster Reduction nears, Rui Pinho, who leads the Global Earthquake Model, talks to SciDev.Net.

Laura Hood summarises the latest data on the world's biodiversity, with facts and figures on its value and efforts to conserve it.