The Surveillance Catalog

Documents obtained by The Wall Street Journal open a rare window into a new global market for the off-the-shelf surveillance technology that has arisen in the decade since the terrorist attacks of Sept. 11, 2001.

Volunteering Computers for Science

The next cure for a major disease is as likely to be discovered on a computer as on a laboratory bench–and scientists are enlisting ordinary citizens to volunteer to help crunch the data. Advances in computer science have enabled medical researchers to test how proteins fold, genes interact and pandemics spread in complex digital simulations of natural environments.