In other words, we keep minting pennies because no one uses the pennies we mint. A conservative estimate holds that there are 240 billion pennies lying around the United States — about 724 ($7. ...

The U.S. gun industry and interest group lobbyists ... To get an idea of the effects this flow of weapons has on the people living in Mexico, we compared our trafficking estimate with data on ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Sean Campbell, The Conversation and Topher L. McDougal, University of San Diego ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond ...