According to a statement released by The Australian National University (ANU), researchers have identified the earliest known evidence of rice in the Pacific Islands. Rice was originally domesticated in central China 9,000 years ago, but it took thousands of years for it to reach the Marianas Island in western Micronesia. Phytolith analysis of microscopic plant debris found on pottery from the Ritidian Beach Cave in northern Guam indicated that rice arrived there at least 3,500 years ago. Previously, the earliest known evidence of rice in the remote Pacific dated to between 1,000 and 700 years ago, so this discovery pushes...