A rhinoceros tooth fossil discovered in a karst sinkhole near the Changyang human fossil site in Changyang Tujia autonomous ...

Introduction: Karst subgrade collapse has the characteristics of suddenness and concealment, which poses a major challenge to the stability of infrastructure. Methods: A scale model test was designed ...

This is a common occurrence in Perak. There are so many karst ponds in Perak and they can be among the most beautiful places to enjoy a bit of paddling. They are small, no larger than the size of ...

AmaWaterways announced Tuesday that Catherine Powell will join the company as president, while co-founder and co-owner Kristin Karst will relinquish her role as executive vice president.