June 11, 2010Fossil Fuels
The worst oil spill in U.S. history, still growing in the Gulf of Mexico, has intensified debate about alternative fuel options. Here, four experts discuss how to reduce U.S. oil consumption.
October 8, 2005Public Health Threats and Pandemics
Fears of bird flu dominated last week’s headlines. First, scientists announced their discovery October 5 that the 1918 outbreak of influenza, which killed 50 million people, was caused by bird flu th…