LifeFirst predator fish crushed armoured prey in its jaws A metre-long hunter fish that lived 423 million years ago was the first fish to be a top predator, suggesting that backboned animals like us come from China News
LifeExtreme hygiene: Cleaning a hippo's mighty molars Open wide, please. Keeping a safe distance, this man is brushing the teeth of a hippopotamus at a wildlife reserve in China Regulars