An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier.
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Scientists accidentally discover Earth's inner core is less solid than expected
Researchers Uncover Mysterious Structural Changes in Earth’s Inner Core
Surface of Earth’s Inner Core May Be Changing, Scientists Say
Earth’s Inner Core Is Changing Shape
Earth's inner core is undergoing a transformation
Earth’s inner core is less solid than previously thought - EurekAlert
Earth's Inner Core Is Mysteriously Changing Shape, Study Reveals
Forces deep underground seem to be deforming Earth's inner core
Earth’s inner core might harbor volcanoes and landslides
Earth’s inner core may be changing shape
We may have solved the mystery of what froze Earth's inner core
Physicists Are Unraveling The Great Mystery of Earth's Inner Core
Something weird is happening to Earth’s inner core
The rotation of Earth's inner core is slowing down
USC study confirms the rotation of Earth’s inner core has slowed
Inner Core of Earth Began to Decrease Its Speed around 2010, Study Suggests
It's Official: The Rotation of Earth's Inner Core Really Is Slowing Down
The rotation of Earth's inner core has slowed, new study confirms
The rotation of Earth's inner core has slowed, new study confirms - EurekAlert
Earth's inner core is more like a ball of butter than a solid metal sphere, a new study suggests
