In the past 30 years, they’ve been helped in these studies by digital tools like geographic information systems (GIS). GIS is a computer system that uses software and data to map, analyse and manage ...
The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...
A newly uncovered section of the Great Wall of China in the late Western Zhou Dynasty, dating back nearly 3,000 years, ...
The newly discovered section of the Great Wall of China was constructed in the late Western Zhou Dynasty and the early Spring ...