As part of its 30th anniversary celebration, Discover Magazine invited 11 prominent researchers to share their views of what the next 30 years of science will bring. The Global Health Program's Tachi Yamada says he hopes access to life-saving technology will become more widespread, particularly for the poor. Biologist Ian Wilmut wants to be able to control degenerative diseases like Parkinson's and heart disease. Climatologist Ken Caldeira hopes we can start to produce a chemical fuel from sunlight, while neurologist Oliver Sacks says we should focus on figuring out the brain's functional aspects.