Basichlamys sacculifera

Multicellular organisms have evolved multiple times throughout the history of life on Earth. The most recent transition to… (More)

Multicellularity arose several times in evolution of eukaryotes. The volvocine algae have full range of colonial organization… (More)

Gametes were induced separately in cultures of each mating type of the heterothallic, isogamous colonial volvocalean Gonium… (More)

Green algae of the family Volvocaceae provide an unrivalled opportunity to analyze an evolutionary pathway leading from… (More)

Das Problem der sog. potentiellen Unsterblichkeit der Einzelligen, das AuousT W3~2ISMANN dutch seinen bertihmten Auisatz vom… (More)

Ce cahier donne une id6e de l'6ventail des travaux qui se font en Suisse en mati~re de m6decine sociale et pr6ventive. I1 s'agit… (More)