中更新世过渡(MPT)标志着冰期—间冰期气候特征的转变。关于MPT起源的一个普遍假设是,冰川深海环流发生了根本性的变化,其标志是在约90万年(海洋同位素阶段24至22)发生环流“危机”。
Phoenix Chinese Channel, the flagship channel of Phoenix TV, offers Chinese viewers across the globe a full range of quality Mandarin-speaking programmes, including long-running favourites covering a ...
Hurun Research found 1,094 individuals with more than CNY 5 billion (equivalent to US$700 million), down 12% or 147 ...
RFK Jr. wants to stop putting fluoride in drinking water. Here’s what scientists say. Posted: 3 days ago. In Canada, 38.8% of the population has access to fluoridated water Día del Recuerdo ...