Several specimens pertain to the monophyletic group formed by birds and deinonychosaurs.

Reporter Robert Matthews wrote about Maciej Henneberg (U of Adelaide) and his argument, based on skull sizes and body weights for 200 fossil specimens, that all known hominid bones fit within the range of variation expected for a single species.

Because of this, a study of patients with lower extremity starburst telangiectasias and predisposing factors associated with hyperestrogenemic and hyperprogesteronemic states was undertaken in order to look for estrogen and progesterone receptors in biopsy specimens of lower extremity telangiectasias noted to arise in this setting. Contrary to expected results, using immunocytochemical techniques, no patient in this study was found to have estrogen or progesterone receptors present in their lower extremity telangiectasias.

Tantalite is used as an ore of tantalum and niobium and as mineral specimens and occur in pegmatites.

Some specimens may show a bluish iridescent tarnish and have demonstrated weak magnetism

The fox is always a fox, the goose a goose, the tiger a tiger, etc., and the difference can lie at most in the varying measure of force, strength, intelligence, dexterity, endurance, etc., of the individual specimens.