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How stalagmites tell the Mayan story and point to climate change

The Mayan civilization was once a pinnacle of societal progress. Photo: AlphaTangoBravo/Adam Baker/Flickr The Maya were a very mysterious, mystical culture. Like many ancient societies, archaeologists...

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So, what exactly did Curiosity find?

Rocknest, where Curiosity scooped its soil sample. Photo: NASA In short, carbon. Specifically, chlorinated methane gas, which contains carbon. Curiosity’s Sample Analysis at Mars (SAM) instrument also...

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A lost continent beneath the waves

What might be hidden beneath the waves? Photo: Artem/Flickr No, it’s not Atlantis – this possible continent of old would have vanished between 50 and 100 million years ago, millions of years before...

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