Quantifying the Evolutionary Dynamics of Language. Erez Lieberman*, Jean-Baptiste Michel*, Joe Jackson, Tina Tang, and Martin Nowak. Nature 449 (2007).
Image: “Verb size corresponds to usage frequency, so large verbs stay at the top, and small verbs fall to the bottom. ‘Wed’, the next irregular verb to go, is on the brink.” Courtesy of Jonathan Saragosti. Nature, Oct 11, 2007.
*joint first authors