A lost chunk of ancient continent is sucking bits of North America into Earth's mantle
Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...
The world’s deepest underground station takes 10 minutes just to reach the platform
At Hongyancun Station in Chongqing, the station is so deep underground that it takes 10 minutes and several escalators just ...