The Fibonacci Sequence As Seen in Flowers gallery by Environmental Graffiti is a math and history lesson wrapped in a pretty...
NGC 3372: The Great Carina Nebula
One of our galaxy’s largest star-forming regions.
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[noun]
1. a fluid or viscous substance used for writing or printing.
2 .a dark, protective fluid ejected by the...
First geological map of Patagonia drawn and colour-painted by Darwin, around 1840. (via Revista de la Asociación Geológica Argentina)
Darwin, a naturalisti’s voyage around the world [Animation]