In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she? 2023 editor's pick.

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Advanced sensors and artificial intelligence could have us at the brink of interspecies communication

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The holidays are a time for indulgence, but there are ways to drink alcohol without suffering the painful effects.

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We’re looking back at 2023 for our favorite podcast shows and one about the largest bird to ever fly the skies just flew to the top of the list.

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The stories we tell about orcas might say more about us than about them

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The beloved fish that feed orcas and humans depend on kelp forests’ unique habitat.

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The Arctic Permafrost Atlas, which took years to create, is both beautiful and sobering, given the pace of climate change.

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Problems with the heart, kidneys and metabolic health are all connected

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Thanks to researchers, new AI tech is delving into feline feelings to see when cats could need medical help. 

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The research focused on figuring out what enables certain sperm to gain some competitive advantage over millions of others fighting for the same prize.

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