Follow us on journey of discovery, from the surface of our planet all the way down to its core. What will we find?br br Animated by Flock.br Made with Dr Paula Koelemeijer, in partnership with the @royalsociety. br br Subscribe to BBC Ideas br br br Do you have a curious mind? You’re in the right place.br br Our aim on BBC Ideas is to feed your curiosity, to open your mind to new perspectives, and to leave you that little bit smarter. br br So dive in. Let us know what you think.