Whether the Internet will help or hinder the spread of democracy is still uncertain.
How promoting renewable-energy technologies will help the economy.
Why nuclear power should be part of the renewable-energy portfolio.
We need a new language for artificial intelligence.
Medical tests for poor countries need to be properly field-tested.
We need languages that take full advantage of multicore processing.
DNA sequencing will transform our understanding of cancer.
Clean energy depends on new infrastructure.
Three experts suggest technology policies for the new president.
Insights into biomass could improve biofuel production.