How does hail form, and how is the size of a stone described?

Gargantuan hail is something you likely have never heard of. This type of description for hail is reserved for only the ...
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Scientists explain formation of stone circles and other strange patterns in northern regions by simple feedback mechanisms and self-organization

Perfect circles of stones cover the ground in parts of Alaska and the Norwegian islands of Spitsbergen. Elsewhere in the far north, stones form other striking patterns on the ground: polygons, stripes ...
Ars Technica

Mathematicians may have unlocked the secret of how “stone forests” form

There are many wondrous geologic formations in nature, from Giant’s Causeway in Ireland to Castleton Tower in Utah, and the various processes by which such structures form is of longstanding interest ...
Opinion

Sanitation security and kidney stones in women

When fluid intake drops, urine becomes more concentrated, increasing the supersaturation of calcium oxalate and uric acid crystals that form stones. In simple terms, the chemistry of stone formation r ...