When looking at calcite under a microscope, a scientist would immediately recognize the crystalline form of calcium carbonate by its rhombohedral appearance. That is, calcite is shaped like a ...
From one angle, the egg appears to be nothing more than a smooth, rounded stone. (Image: He et al., J. Palaeogeogr., 2022) A rare fossil discovery in eastern China has surprised palaeontologists, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback