CNN stories

http://literacynet.org/cnnsf/

 Dateline NBC (see special reports & book excerpts)

http://www.msnbc.msn.com/id/3032600/

 Today Show (stories from the show)

http://www.msnbc.msn.com/id/3032633/?ta=y

 PBS Explore

http://www.pbs.org

National Geographic Explorer (see articles & archives)

http://magma.nationalgeographic.com/ngexplorer/articles/

 Nova

http://www.pbs.org/wgbh/nova/ 

Nova Transcripts Archive

http://www.pbs.org/wgbh/nova/transcripts/int_disa.html

 The N.Y. Times Learning Network

http://www.nytimes.com/learning/