QINGDAO -- Carrying an oxygen tank and wearing diving goggles, Zhang Peidong, a professor at the Ocean University of China, took a deep breath and jumped into the sea. He observed the seagrass ...

They form extensive underwater meadows, creating complex, highly productive and biologically rich habitats. Covering only 0.1% of the ocean floor, these seagrass meadows provide food and shelter ...

An underwater drone passes inside the seawater during a demonstration at a Marina in the southern resort of Ayia Napa, Cyprus, Monday, Feb. 24, 2025. Credit: AP Photo/Petros Karadjias ...