Interesting little bauble in the Biloxi-Gulfport (Mississippi) Sun-Herald, I think from their columnist George Thatcher:
Good teacher resource for National Environmental Week, April 15-21, 2012
December 20 Scenes from the beach
“To stand at the edge of the sea,” wrote Rachel Carson, “… is to have knowledge of things that are as eternal, as any earthly life can be.”* The things that we see this morning–a cerulean sea and sky, the shorebirds, the sun still near the horizon — are identically the same objects that could be seen in Cambrian times, eons ago. There is a sense of the eternal in the objects viewed today. And I suppose there will be little change in a faraway eon that lies in some future age. — Diary, autumn 2011
* At the Edge of the Sea by Rachel Carson; Signet Books, New York (1955)
Read more here: http://www.sunherald.com/2011/12/19/3641733/december-20-scenes-from-the-beach.html#storylink=cpy
One should read Rachel Carson to get closer to the universe, not for political reasons, not necessarily for the science. But being scientifically accurate, and being close to the pulse of the universe, Carson’s views will change your politics for the better if you really read and listen.
Millard Fillmore's Bathtub 
He’s a journalist, not a scientist. Not a mistake Carson would have made, I’m sure.
I wonder whether the sky would have been close to the same blue, even.
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Shorebirds in the Cambrian?
Still, a great book.
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