Ed Boyden is learning how to alter behavior by using light to turn neurons on and off.
An expected nuclear renaissance has failed to materialize as plans for new plants are scrapped or delayed. What happened?
Physicians can now use DNA sequencing to uncover the causes of rare genetic disorders.
Suntech CEO Zhengrong Shi made China a powerhouse in photovoltaic technology--and became a billionaire in the process. His next ambition: to make solar power as cheap as conventional electricity.
Drugs can control HIV, but they exact a steep cost. Now, researchers are pursuing radical new ways to eliminate the infection entirely.
Will China's Web, like its larger economy, comfortably combine extraordinary growth with government repression?
IBM has found a new source of revenue: using its mathematicians' formulas in business services.
Twitter plans to become the leader in instant news--and make itself into a sustainable business in the process.
California-based Amyris has used breakthroughs in synthetic biology to reinvent biofuels. To turn its technology into an industrial process, it has headed to the land of sugar: Brazil.
Information technology's next grand challenge will be to secure the cloud--and prove we can trust it.