Over the course of millions of years, helped along by a dino-killing asteroid, geologic pockmarks known as cenotes and blue holes fill the Yucatan peninsula, providing an oasis for animal life. In ...
Coastal karst structures have been recently explored and documented in Chetumal Bay, Mexico, at the southeast of the Yucatan Peninsula. These structures, recognized as blue holes, stand out for their ...
Gastrointestinal perforation (GP) occurs when a hole forms all the way through the stomach, large bowel, or small intestine. It can be caused by several different conditions, such as appendicitis ...