Underwater archaeology is the field of study that seeks to unravel the mysteries of history from ruins lying at the bottom of the sea. Born in the Mediterranean in the 1960s, this new branch of archaeology reveals unique episodes from our past. This article introduces the fascination behind sunken shipwrecks - a unique type of ruins - and the significance of researching them.

The mission of citizen science is to bring about simultaneous change in science, education, and society through the involvement of citizens in the process of scientific research. We are at a turning point in history where individual and societal transformation is necessary. Citizen science is an effective approach for this. This article will introduce the importance of using citizen science both as a personal matter and a part of everyone's life, its methods, and examples of excellent practices relating to the ocean.

The International Ocean Institute (IOI) founded by Elisabeth Mann Borgese in 1972 marked its 50th anniversary in 2022. As the year also represents a milestone for ocean governance, the University of Tokyo’s “Interdisciplinary Educational Program on Ocean Science and Policy” launched a project to translate the World Ocean Review (WOR), an IOI associated periodical, for the purpose of raising ocean literacy in Japan. This article introduces this collaborative project between IOI and the University of Tokyo.