Science

The new normal for online social networking
Facebook has made privacy a new priority following pressure from advocacy groups and Washington. Their changes will give users more control of their information, but are Facebook's updates able to keep up with our ever-changing expectations about privacy?
Surveillance society
Security cameras survey public areas, such as where we withdraw money, where we shop and where we wait for buses or trains. But where does it cross the line from protecting the public to invading one's privacy?
BP's ongoing oil containment efforts
President Obama is sending a bomb builder and Mars expert to help BP tackle the problem of stopping the oil flow into the Gulf of Mexico. Midmorning asks if the latest engineering efforts are good enough and which ideas are still left on the table.
History, in 140 characters or less
The Library of Congresss has acquired Twitter's entire archive of public tweets. Will future historians learn anything of substance from them? Geek Squad founder Robert Stephens tackles that question and other tech topics.