The issue focused on how many words and images "the Obama administration are using to cover up the alleged abuse of children in the military and in the White House's decision-making process on sex ed at the Department of Defense."

The research was led by National Research Council research scientist John J. Abid, an Army officer in the Department of Defense.

The research was published in the March 14, 2015, issue of the journal Science.

The research was supported by the National Science Foundation,