image: Close up of a dark brown squash seed (C. moschata) recovered from a buried house floor at an archaeological site in the northern Peruvian Andes. This image relates to an article that appeared in the June 29, 2007, issue of the journal Science, published by AAAS. The study, Tom Dillehay and colleagues at Vanderbilt University in Nashville, Tenn., was titled "Preceramic Adoption of Peanut, Squash and Cotton in Northern Peru." view more
Credit: Photo copyright <i>Science</i>-AAAS