Conicet specialists have discovered a species of bipedal, armored dinosaur from the thyreophoran family in South America. They found the fossils in the town of Cerro Police, province of Río Negro. T… [+4239 chars]
We do it every day but barely give it a thought: chewing our food. But the "simple" process of masticating food may have played a crucial role in the evolution of our jaws, facial muscles and teeth. … [+2777 chars]