Databases to find magazines:

Expanded Academic ASAP 
ABI/Inform 
LexisNexis  

For more information: 

Magazines for the Arts and the Humanities & Social Sciences 

Magazines contain current information of a general nature. They are written for a broad audience and often contain reports of scholarly studies or findings.

If you find such a report in a magazine, you can use the library databases to locate the original study.

EXAMPLE: Isikoff, M. (2000). Race, Death and the Feds: A War Over the First Federal Execution Since JFK's Time. Newsweek, p. 30.