The females of two species of bipedal hominids that lived in the African savannah a million years ago, 'Australopithecus africanus' and 'Paranthropus robustus', tended to leave the group in which they were born to join another while the males remained in their original place of birth, according to a study by the University of Colorado Boulder (USA).
Scientists from Yale University (USA) have found fossil remains of primitive and huge marine predators that lived in the ocean 500 million years ago in Morocco. They belong to the Anomalocarídidos family and could be larger than initially thought, according to a study published today in Nature.
While adult tyrannosaurs used their strength and size to kill large prey, the young used their agility and speed to hunt smaller prey, according to a study by Ohio University published in the journal 'Journal of Vertebrate Paleontology'.
The extinct thylacine was an animal with a head and body similar to those of a dog, which carried its young in a bag like a kangaroo and had the striped fur of a feline. This enigmatic creature from Australia and Tasmania, sometimes classified as a "marsupial wolf" and sometimes as a "Tasmanian tiger," has been a real headache for scientists for decades.
A giant ant, called 'Titanomyrma lubei', which lived 50 million years ago and was up to two inches tall (like a hummingbird) crossed the Arctic during the warmest periods on Earth, using land bridges between continents, scientists say. .
The evolution that led anthropomorphic apes to maintain an upright torso position when climbing trees occurred during the Miocene in two places independently, one in Europe and the other in Africa, according to a study by the Catalan Institute of Paleontology (ICP).
The Aragosaurus Research Group of the University of Zaragoza has recovered the remains of a new dinosaur, Petrobrasaurus, about 20 meters long, found in an oil drilling in northern Patagonia (Argentina).
A small herbivorous mammal the size of a mouse, contemporary with the dinosaurs that lived 130 million years ago, has been discovered by researchers at the University of Zaragoza in the town of Galve (Teruel). The Aragosaurus research group has baptized it with the name of 'Iberica hahni'.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
