IFLScience
shared a link post in group #IFLScience
www.iflscience.com
The Earth May Have A Core Within Its Core Within Its Core
The Earth’s solid inner core may actually be two, an innermost core and a shell in need of a new name.
Comment here to discuss with all recipients or tap a user's profile image to discuss privately.
Embed post to a webpage :
<div data-postid="zpzgaox" [...] </div>