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SALEM, N.H., July 22, 2025 /PRNewswire/ -- Prominently featured in The Inner Circle, Joshua Philbrick, M.D. is acknowledged as a Pinnacle Professional Member Inner Circle of Excellence for his ...
Earth’s innermost layer is a hot, solid ball of metal surrounded by a liquid metal outer core. For decades, planetary scientists suspected that the solid inner core deformed over time as it spun.