Scientists are going to drill deeper into the Earth than ever before

It might come as a bit of a surprise, considering we walk around on it all day long, but science hasn't really ever seen fit to find out what's inside of our planet. Thanks to volcanic eruptions we know it's a molten mix of various elements, with the pressure of gravity having turned it into an extremely hot liquid stew, but what exactly it is made of has remained a mystery simply because nobody has ever had the right combination of funding and technology to actually drill deep enough to ma