Woolly hair is a rare condition where abnormality in the scalp structure causes tightly curled, brittle hair to grow. There are three types, including woolly hair nevus, hereditary woolly hair, and familial woolly hair. It is congenital and occurs only in people of Caucasian ancestry. There is no medical treatment, but harsh hair treatments should […]
Climate change has been a threat for thousands of years, as shown by the disappearance of woolly mammoths on St. Paul Island due to a heat spell. The last known group of mammoths went extinct 4,000 years ago. Global warming might seem like a recent phenomenon, but the truth is that climate change has been […]