Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
美国向邻国加拿大出口了大量且不断增加的危险废物,五年内总计140万吨。根据EPA的数据,这些出口包括氰化物等化学品、受污染的土壤、电池和其他含金属废物,在此期间增长了25%。 第一个地点是鲁安-诺兰达镇(Rouyn-Noranda),位于魁北克西部的混交林中,那里的儿童指甲检测引发了人们对有毒废物处理安全的担忧。