The Fukushima accident raised questions that must be addressed by developing countries considering nuclear energy.

The recent riots in the United Kingdom have shown the dark side of social media. But we must avoid heavy restrictions on their use.

The Horn of Africa drought exposes the continuing gap between our ability to predict disaster and to take effective humanitarian action.

The world still needs nuclear power — but it must be safer and more transparent.

Nanotechnology for health should not suffer the same fate as GM — potential health and environmental hazards should be monitored and regulated early on.

We have joined Twitter and Facebook to build our science for development platform but we need your help to make the most of social media.

Delivering on its 'science for development' promises will help the Obama administration regain trust within the developing world.

The political climate is ripe for a new push to eliminate nuclear weapons; scientists can boost its chance of success.

Satellites can save lives from natural disasters but developing countries risk missing the opportunity through poor political support.

Clean technology to meet poor communities' needs must lie at the heart of any sustainable strategy to combat climate change.

Nanotechnology holds huge potential for supplying clean water to the world's poor, but many challenges must be overcome to realise it.

The World Wide Web's inventor wants to make websites more trustworthy. This should be done by encouraging good practice, not imposing strict rules.

Developing countries must adopt effective policies on technology transfer that meet the needs of all social classes, including the poorest.

Muhammad Yunus's Nobel Peace Prize should inspire those trying to link technological innovation with grass roots democracy.

A combination of factors appears to be pushing the risk-benefit balance back into nuclear's favour as an energy option for developing countries. SciDev.Net readers are invited to comment.

There is a need to link up the thousands of communications technology initiatives littered across the developing world, but is another UN technocracy the right answer?

Any effort to eliminate Iran's nuclear research facilities by force would be both a catastrophe for the region and a major setback for the 'science for development' debate.

Political deadlock over Internet governance must not overshadow the practicalities of bringing information and communication technologies (ICTs) to the people who need them.

The developed world has no right to tell developing nations how to use nuclear technology. But the latter must build their own capacity to handle the technology responsibly, both individually and collectively.

Those concerned about the potential side effects of nanotechnology should spend more time worrying about ways of ensuring that it meets the needs of the poor.