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'Snowball Earth:' Entire planet was likely covered in ice more than 600 million years agoThis study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...
Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...
With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...
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