Definition of Chronic Diarrhea Diarrhea (frequent loose bowel movements) is considered as chronic when it lasts for more than 2 weeks (1). Below is a list of main causes of chronic diarrhea with typical >> Read More ...
The spark of WW1 in Europe was the assassination of the Austria-Hungary archduke Franz Ferdinand.
Discovery of Fire. The controlled use of fire was likely an invention of our ancestor Homo erectus, during the Early Stone Age (or Lower Paleolithic). The earliest evidence for fire associated with humans comes from Oldowan hominid sites in the Lake Turkana region of Kenya.