Did you know the tallest building in the world is a skyscraper in Dubai called the Burj Khalifa? It has 163 floors and weighs as much as 100,000 elephants! But how can the Earth even support such a huge building?! Why doesn’t the ground just collapse underneath it? We asked geologist Rónadh Cox to help us find the answer.

Got a question that’s weighing heavily on your mind? Send it to us at BrainsOn.org/contact and we’ll help build you up with a great answer!