Speciation has been a major focus of evolutionary biology research in recent years, with many
important advances. However, some of the traditional organising principles of the subject …

Haldane's Rule (HR), which states that ‘when in the offspring of two different animal races
one sex is absent, rare, or sterile, that sex is the heterozygous (heterogametic) sex’, is one of …

The direction that a snail (Mollusca: Gastropoda) coils, whether dextral (right-handed) or
sinistral (left-handed), originates in early development but is most easily observed in the shell …

… the Department of Biological Sciences, National University of Singapore, Singapore 117543,
where he work on the conservation and systematics of various animals Menno Schilthuizen …

Tropical mountains are hot spots of biodiversity and endemism 1 , 2 , 3 , but the evolutionary
origins of their unique biotas are poorly understood 4 . In varying degrees, local and …

Nodules harboring nitrogen-fixing rhizobia are a well-known trait of legumes, but nodules also
occur in other plant lineages, with rhizobia or the actinomycete Frankia as microsymbiont. …

Complete parthenogenesis (thelytoky) in species of the parasitic wasp Trichogramma is
usually caused by the cytoplasmically inherited bacterium Wolbachia. This symbiont induces …

Widespread and rapid losses of tropical rain forests have made understanding the responses
of species to rain forest fragmentation an area of major concern. In this study we examined …

… ‘green’buildings among our congested downtowns, Schilthuizen’s book makes for essential
… “Replete with fascinating facts and written in delightfully lively prose, Schilthuizen’s work will …

Organisms provide some of the most sensitive indicators of climate change and evolutionary
responses are becoming apparent in species with short generation times. Large datasets …