That is the title of this report by Stephanie Pappas for Scientific American. (Hat tip: Brian Leiter.) In brief, the word “unless” in Netwon’s First Law (see, for example, the infographic below) should really read “except insofar”; otherwise, the first law simply states a circular tautology!

FYI: This “discovery” (“clarification” would be a better word) was made Daniel Hoek, who teaches philosophy at Virginia Tech. Here is his formal paper (PDF), published in the journal Philosophy of Science, where Professor Hoek explains his discovery of the mistranslation of Newton’s First Law: “Forced Changes Only: A New Take on the Law of Inertia“.