Sand: up-close and personal

Sharing the link below from Steph of Partial Ellipsis of the Sun: A Blog for Scientists who like Words and Writers who like Science.

There are stunning and fascinating highly-magnified photos of the huge variety among grains of sand.

They are all beautiful – except the frack sand, which is dangerous to breathe and can cause lung disease, including silicosis. ¬†Those of you who know me know I couldn’t find anything about fracking beautiful.

Here is the link:


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