We're about to experience the most powerful earthquake in history, a magnitude 20. How much damage would it cause? Would it break our planet into pieces? Watch the full episode here: https://youtu.be/aGREN6-MRfA Watch more what-if scenarios: Planet Earth: http://bit.ly/YT-what-if-Earth The ...

Cut down on editing time and write more confidently with Grammarly Premium. Get 20% off Grammarly Premium by signing up at https://www.Grammarly.com/WHATIF Scientists have pieced together a pretty clear picture of what life was like on Earth thousands, even millions of years ago. If you ...