All tadpoles grow into frogs, but not all frogs start out as tadpoles, reveals a new study on 720 species of frogs to be published in the journal Evolution. Leer más.





En 2010, en utilisant une combinaison de la tomodensitométrie (TDM) et de l’imagerie par résonance magnétique (IRM), les scientifiques Kasper Hansen et Henrik Lauridsen de l’Université d’Aarhus au Danemark ont été en mesure de visualiser les structures entières d’organes internes et les systèmes vasculaires d’un python birman en pleine digestion d’un rat. Leer más.
Giant plant-eating dinosaurs may have been champion chewers up there with the likes of mammals such as horses, bison or elephants, researchers say. Leer más.
The unusually hot weather in recent weeks has been an invitation for often-unwanted visitors to wear out their welcome in the gated community of Canyon Lake and other Southwest County cities. Leer más.
Acanthodactylus longipes belongs to the A. scutellatus group. Over a wide range from Morocco in the west to Libya in the east it shares the same distribution and also nearly the same habitat with Acanthodactylus dumerilii. Leer más.