Image courtesy Yonsei University
- Water leaking into the Earth may be wrapping the core in crystals, a study has suggested.
- The study may help explain a weird area in the outer core that has long puzzled scientists.
- One expert said the theory needs more evidence to be widely accepted.
Water leaking from the surface of the Earth could be changing the outer rim of our planet's core and wrapping it in a layer of crystals, according to a study.