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April 20, 2009: Beach Sand
Discover has a series of pictures of beach sand.
The variation in shape and color are amazing by themselves, but Discover also describes how the different grains were created, where and what from.
I was not surprised that some sand comes from rock, but some comes from sea critters and some from pollution. 
monster Sunday Apr 19 11:44 PM
So if you poop on a cruise ship, you get immortalized on a beach?
We don't need recipes for sand -just time travel. The ancients in Mesa Verde and environs used sandstone to grind their corn, so it was a part of pretty much every meal.
Slight Monday Apr 20 12:09 AM
Bruce, second post for the 19th?
xoxoxoBruce Monday Apr 20 08:01 AM
Just think of it as my first screw-up of the 20th. 
capnhowdy Monday Apr 20 08:50 AM
The only good way to eat this is to put it in capsules and swallow it whole. The flavor is not bad but the texture sucks.
Srsly, tho... great IoTD. Very interesting.
birdclaw Monday Apr 20 12:33 PM
Some of them look like they could be sea critters!
Gravdigr Tuesday Apr 21 10:32 PM
Some of them were.
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