从上周开始，郑州新开通的地铁线路陆续迎来一批特殊“员工”——164台自动体外除颤器（AED）。随着这批设备全部安装到位，郑州将成为全国首个实现轨道交通AED动态全覆盖的城市。更令人期待的是，还有500台AED将于今年年内入驻郑州部分社区。 AED从“稀罕物 ...

Many schools across the United States and Canada don’t have an automated external defibrillator (AED) on-site, but calls for mandatory policies are mounting. The benefits, say experts, would go far ...