Aug. 11 (UPI) -- Bottles more than 20 years old -- encrusted with marine organisms and worn from long exposure to the sea -- were among the debris collected by the "Científicos de la Basura, or Trash Scientists, network at Chile's Universidad Católica del Norte for a study aimed at determining the origins of plastic waste on Latin American beaches. After two years of research, the results showed that 59% of the waste analyzed came from the same country where it was found and that Central