regulation of odontogenesis of calcareous or chitinous tooth

Oolitic and oncoidal rocks, microfacies, depositional environments and their stratigraphic ranges in Slovenia are subjects of… (More)

Lead shot dissolution was investigated in a dynamic in vitro simulated avian gizzard-intestine system. The method allows… (More)

Sipuncula is a small taxon of worm-like marine organisms of still uncertain phylogenetic position. Sipunculans are characterized… (More)

The Mg/Ca ratio of seawater has changed significantly over the Phanerozoic, primarily as a function of the rate of ocean-crust… (More)

MANY non-uniformitarian1 or quantitatively improbable2 hypotheses have been offered to explain the origins of extensive… (More)