[Rockhounds] New hidden world discovered in Earth's inner core

[Paul]

Mysterious new substance possibly discovered inside Earth's core
By Ben Turner, Live Science, February 2022
https://www.livescience.com/earth-core-superionic
The planet's core could be a mushy mix of solid and liquid.

New hidden world discovered in Earth's inner core
By Joanna Thompson, Live Science, October 27, 2021
https://www.livescience.com/earth-inner-core-mushy
The core isn't a "boring blob of iron" after all.

The paper is:

Butler, R. and Tsuboi, S., 2021. Antipodal seismic
reflections upon shear wave velocity structures within
Earth's inner core. Physics of the Earth and Planetary
Interiors, 321, no.106802.
https://www.sciencedirect.com/science/article/pii/S0031920121001606

Yours,

Paul H.