(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

Tidal marshes : home for the few and the highly selected / Russell Greenberg -- The Quaternary geography and biogeography of tidal saltmarshes / Karl P. Malamud-Roam [and others] -- Diversity and ...

Vertebrate evolution was accompanied by two rounds of whole genome duplication followed by functional divergence in terms of regulatory circuits and gene expression patterns. As a basal and ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

Common ancestor eels lost the aquaporin gene encoding proteins with broad solute permeability. Researchers from the Institute ...

Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth's shape while they collected food. Experts have used CT scanning techniques to build up the ...

Researchers report February 15 in the journal Cell that ancient viruses may be to thank for myelin—and, by extension, our large, complex brains. The team found that a retrovirus-derived genetic ...

Corticoid receptors, encompassing both glucocorticoid and mineralocorticoid receptors, are pivotal to the regulation of physiological processes across vertebrates. These receptors have evolved through ...

Vertebrates have extremely different brain sizes: even with the same body size, brain size can vary a hundredfold. As a rule, ...