Animal of the day – 9/26/2011 – The Nautilus

The Nautilus

The animal of the day is the Nautilus. (Did you know: These guys were swimming around the oceans 250 million years before dinosaurs walked on the land! They are living fossils!

Their shells, which are made of the same stuff as pearls, and actually grows in a mathematically perfect logarithmic sequence that allows it to expand as it grows! These guys are so unique, that there are math fractals that can be used to recreate their shells on a graphing calculator!



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