亚马逊公司 (Amazon.com Inc.)股价周四下跌,此前该公司预计的销售额和营业利润低于预期,并表示今年计划投入创纪录的资本支出,用于构建人工智能 (AI)基础设施。
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.