#VantageOnFirstpost: Scientists reveal that Earth's inner core, a hot, solid metal ball, is changing shape. The inner core, about 70% the size of the Moon, is deforming at its outer boundary. This shift raises concerns about potential changes to Earth's magnetic field, sparking new worries about the planet's stability. How worried should you be? And why is the core changing in shape? Palki Sharma tells you more. | Firstpost