blue hole, Tag

The Sansha Ship Course Research Institute for Coral Protection used a variety of equipment, including underwater robots and sonar scanners, to determine the sinkhole’s size: 300.89 meters in depth, 130 meters in width (426...

It appears that severe drought led to the demise of one of the world's most highly developed ancient civilizations, as new research shows that changing climate and dry conditions may have led to famine and fighting in South...