THE classical theory of the mechanism of production of the carbonate fraction of the calcium carbonate of the hen's egg shell is that of Gutowska and Mitchell 1. This theory makes use of the ...
Their shells possess transparent windows formed of fibrous crystals of aragonite (a form of calcium carbonate), surrounded by a “cladding” made of aragonite and chitin, a material also found ...
Planktonic foraminifera are tiny marine organisms, which are essential to the ocean's carbon cycle. A recent study reveals that these populations are shrinking at an alarming rate due to ocean warming ...