BusinessWeek's list of the most intriguing new businesses—25 innovative companies, including Driptech and Epizyme
History shows that a certain breed of entrepreneur feeds off adverse conditions, and this recession is no exception
This clean-energy startup is positioned to profit from China's plans to go green
Software from Layar blends digital data with the physical world. Just point your cell phone
Epizyme scientists are designing drugs to fight it at the genetic level
Affordable, efficient irrigation equipment that could change the economics of food
Can algae help break America's dependence on imported oil? Kevin Berner thinks so
A new entry in the government 2.0 movement, startup CitySourced aims to harness iPhone-wielding citizens to keep city governments more efficient
For our fifth annual roundup, BusinessWeek readers nominated a record number of young entrepreneurs. Meet the 25 most impressive