As they span significant areas of Asia, Europe and the Americas, karst landscapes cover some 15 percent of the Earth’s land mass. Scientists estimate that these areas of porous bedrock are home to as ...

The Munro Karst system was provisionally added to the list last year and efforts are underway to make the recognition permanent. A report is being prepared as part of the process to have a cave ...

(3) Mechanistic interpretations can be further simplified or clarified. (i) Reentrant salt effects (e.g., Fig. 4a) are reported but no simple explanation seems to have been provided. Fig. 4a,b look ...

Karst formations are distinguished by their high levels of species diversity and endemism, including ferns and lycophytes. However, the existing data on plant community composition in karst formations ...

Atrioventricular nodal reentrant tachycardia (AVNRT) is a rapid, irregular heartbeat that starts suddenly and without warning and may stop just as abruptly. It is a common type of what's called ...

Two Chinese scientific researchers were successfully rescued recently from underwater karst caves in South China's Guangxi Zhuang Autonomous Region after being missing for 69 hours. According to ...

Department of Biochemistry, University of Toronto, Toronto, Canada Molecular Medicine, Hospital for Sick Children, Toronto, Canada Department of Molecular Genetics, University of Toronto, Toronto, ...

This could be a perfectly stable situation as long as the pacing rate is constant and each orthodromic wavefront propagates all the way along the reentrant circuit. In this situation, if the ...