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The Great Lake Huron Rock Puzzle
As a boy, I found this chunk of limestone on the shoreline of southern Lake Huron, Canada near the town of Goderich: The rock is 23 cm (9...
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Preambulist [CC0], from Wikimedia Commons Flexagons came to public attention when the late great Martin Gardner (who wrote the excelle... -
An octopus in an aquarium in Brest, France. The animals are highly intelligent, but researchers are uncertain how the trait evolved. ...
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Haast's Eagle Monsters of the Past Card 98 front Haast's Eagle Monsters of the Past Card 98 back The extinct Haast'...
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