Deep-sea mining involves extracting valuable metals like manganese, nickel, and cobalt from the ocean floor using large machines.
Scientists have developed heat-resistant corals through selective breeding, helping them adapt better to warming oceans.
A ship called Anemos used wind power to travel from France to New York, showcasing the potential for cleaner ocean travel.
Tasmania, Australia's smallest state is known for its mountains, lakes, and unique wildlife, like the Tasmanian devil.