Let's say you have a lunch date to make – and it's on the other side of the planet. Wouldn't it be way more convenient to pop down a hole and take a 42-minute journey through Earth's innards?
WHAT'S INSIDE: EARTH SCIENCE
What if we could just add water to something and solve the planet's energy crisis? That's essentially the idea behind artificial geothermal energy. But there's one possible catch: catastrophic earthquakes.
Crack open any science textbook and the authors will tell you that such things don't happen. So how did a couple of paleontologists and an acid bath turn that widespread belief on its head?