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SWSCcore – by Stephen Beech ONLINE EMBARGO 16.00 GMT, 10/02/25 Earth’s inner core is less solid than previously thought, reveals new research. American scientists have detected structural changes near the planet’s centre. Changes to the inner core has long been a topic of debate for scientists, but most research has been focused on assessing rotation. Study principal investigator Professor John Vidale, of the University of Southern California Dornsife College of Letters, Arts and Sciences, explained that the team “didn’t set out to define the physical nature of the inner core.” He said: “What we ended up discovering is evidence that…