Earth’s inner secrets divulged in ‘Into the Heart of Our World’
New book takes readers on voyage deep inside the planet
![heart of world](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/01/020616_reviews_heart-of-the-world_free.jpg?fit=860%2C460&ssl=1)
EARTH’S GUTS A new book explains how decades of scientific research have revealed Earth’s interior structure thousands of kilometers deeper than humans have ever ventured.
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