The extinct 'sthenurine' family of giant Kangaroos, up to three times larger than living Kangaroos, were able to walk on two feet, according to new research.

Sympatric speciation, the idea that species can arise without a period of geographical isolation, is at the centre of one of the longest running and most contentious debates in evolutionary biology. In The Origin, Darwin presented a verbal model of speciation that did not require geographical isolation. Since that time, support for sympatric models of...

Objectives: This cross-sectional, retrospective study investigates dental development and skeletal maturation in a sample of New Zealand children and adolescents of Polynesian descent. The aim was to determine the dental age and skeletal maturation in New Zealand Polynesian children and adolescents (NZPCA), and determine if they are developmentally advanced, dentally and skeletally, compared to New...