Episode 201012 / 12 Oct 2020 New estimates suggest that two-fifths of the world’s plants are facing extinction Botswana: Mystery elephant deaths caused by cyanobacteria 博茨瓦纳数百头大象离奇死亡 原因为水中蓝藻细菌 Episode ...

Deep beneath the ocean surface lies a mysterious underwater chasm that has captivated scientists worldwide. The Dragon Hole, ...

Half a billion years ago, a shallow sea in what is now Siberia teemed with creatures that look more like science fiction than prehistory. Locked in that ancient seabed, scientists have now identified ...