"Earth Day has always been an event of the people." On April 22, 1970, 20 million people across the globe celebrated the very first Earth Day. The idea was sparked by the power of the anti-war ...
Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. Subscribe to our newsletter for the latest sci-tech news updates.
Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. During earlier and later time periods, tectonic plates kept a steady ...
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