An elderly tribal couple was trampled to death by a wild elephant in the southern Indian state of Kerala, officials said ...

明明在床上躺够了 8 小时，但碎片化的睡眠不仅让你「没睡够」，更会破坏睡眠周期，严重影响睡眠质量： ● 其导致的深度睡眠不足会直接影响记忆巩固和脑内代谢废物的清除，与阿尔兹海默风险相关 [3] ...

An international tourist interacts with a villager during a folk cultural performance in Huangluo village of the Yao ethnic ...