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Paleontology - Earth Sciences - 04.11.2016
Herbivorous mammals have bigger bellies
Herbivorous mammals have bigger bellies
The researchers have studied the shape of the ribcage in more than 120 tetrapods - from prehistoric times up to the present day. (Image: UZH) What do enormous dinosaurs have in common with tiny shrews' They are both four-legged vertebrates, otherwise known as tetrapods. In the course of evolution, tetrapods developed various body shapes and sizes - from the mouse to the dinosaur - to adapt to different environments.

Life Sciences - Paleontology - 09.08.2016
Origin of the turtle shell lies in digging
Origin of the turtle shell lies in digging
In today's turtles the shell has a key protective function. The animals can withdraw into it and protect themselves against predators.

Paleontology - Earth Sciences - 16.02.2016
Fossil analysis pushes back human split from other primates by two million years
Fossil analysis pushes back human split from other primates by two million years
C. abyssinicus revealed answers about gorilla lineage but also provided fossil evidence that our common ancestor migrated from Africa. "Our new research supports early divergence: 10 million years ago for the human-gorilla split and 8 million years ago for our split from chimpanzees," said Los Alamos National Laboratory geologist and senior team member Giday WoldeGabriel Nature paper places human evolution in Africa, not Eurasia LOS ALAMOS, N.M., Feb.

Paleontology - Life Sciences - 06.01.2016
Last meal reflects spiral-shaped intestine
Last meal reflects spiral-shaped intestine
A last meal provides new insights: The fossilized food remains of the extinct predatory fish Saurichthys reflect its spiral-shaped intestine. The spiral valve in fossils from Southern Switzerland is similar to that of sharks and rays. Paleontologists from the University of Zurich have thus closed a gap in the knowledge concerning the evolution of the gastrointestinal tract in vertebrates.