Add Yahoo as a preferred source to see more of our stories on Google. Earth’s magnetic field plays a key role in making our planet habitable. The protective bubble over the atmosphere shields the ...
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25 bizarre creatures you never knew roamed the Earth
Earth’s history spans 4.5 billion years, and throughout this vast timeline, our planet has been home to creatures so strange they seem ripped from the pages of science fiction. From ancient seas ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Earth’s magnetic ...
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