Since 2010, the National Security Agency has been exploiting its huge collections of data to create sophisticated graphs of some Americans’ social connections that can identify their associates, their locations at certain times, their traveling companions and other personal information, according to newly disclosed documents and interviews with officials.
The spy agency began allowing the analysis of phone call and e-mail logs in November 2010 to examine Americans’ networks of associations for foreign intelligence purposes after N.S.A. officials lifted restrictions on the practice, according to documents provided by Edward J. Snowden, the former N.S.A. contractor.



Chinese police have rescued 92 children and two women kidnapped by a gang for sale and arrested 301 suspects, state media said on Saturday, in one of the biggest busts of its kind in years.
Wind energy is known to be environmentally friendly, except for one persistent concern: The spinning turbine blades often kill birds, especially raptors such as eagles.
A Russian court has ordered 20 Greenpeace activists from around the world to be held in custody for two months pending further investigation over a protest against offshore oil drilling in the Arctic, drawing condemnation and a vow to appeal.
Goodbye, US passport.
Leading scientists said on Friday they were more certain than ever before that humans are the main culprits for climate change and predicted the impact from greenhouse gas emissions could linger for centuries.





























