A photograph taken from space reveals a strange natural formation in Nicaragua, where two volcanic lakes appear to form a pair of eyes gazing at the cosmos from a skull-like peninsula.

‘As an evolutionary geneticist, I encourage developmental botanists to look into the genetic basis of the cushion form in stemless daisies’ Composites, or plants in the family Compositae, usually look ...

Extensive genetic variation has been documented throughout the range of the Two-lined salamander (Eurycea bislineata) species complex; however, a lack of finescale studies across putative species ...

Some homokaryotic isolates of Verticillium albo-atrum (microsclerotial form) vary radically in colony appearance even when temperature, lighting, humidity and medium content are held constant. This ...

Callitriche intermedia shows a well-marked variation in its leaf form, dependent on whether the crown of the plant is submerged or floating at the surface of the water. When the crown is submerged, ...