All around the world, birds, like dinosaurs, fill just about every habitat in every environment, from the rainforest to the mountains to the seacoast. 全世界范围内，如同恐龙一样，鸟类居住在各式各样的环境当中，从雨林到山...
If I was going to engineer a super-Sauropod, 如果要我设计一只超级波塞东龙， I'd give it a bigger brain, because it would be a negligible investment. 我会把它的大脑设计得更大，因为这是一笔微不足道的投资。 We'r...
Dividing cells also form brains, sensors, 分裂的细胞也构成了大脑， and weaponry needed to protect this dinosaur as it grows up. 感受器官以及在成长阶段保护自身的武器。 At this embryonic stage, tiny genetic differences, c...
For most females of the Cretaceous, finding a mate who's stronger, more cleverer, 对于白垩纪的大多雌性来说，寻找一个更健壮，更聪明 and had more advanced killing tools than the next male is crucial. But that's not all. 比别的雄...
And like natural selection, it means that females choose traits in males that make survival of their offspring more likely. 就像自然选择一样，也就是说雌性选择雄性身上能使后代存活机率更大的特质。 Multiply those choic...
Physically, Parasaurolophus' horn is useless as a weapon. 从身体构造上来说，副栉龙的角作为武器来说毫无用途。 It's hollow and fragile, and just 2 millimeters thick. 它空心而脆弱，只有两毫米厚。 But as a communica...
This size difference is true with most dinosaurs, but in the case of T. Rex, it's extreme. 这种体积差异对大多数恐龙来说都一样，但是对霸王龙来说它更极端。 The risk would be, if you really make her angry, she might eat yo...
One of the interesting things about dinosaurs in general, including T. Rex, is that, 关于一般恐龙的趣事，包括雷克斯霸王龙在内说的是， if we look at their skeletons, we often see that there is one form that's bigger-boned than...
Sauroposeidon is an herbivore. 波塞东龙是食草动物。 The evolutionary strategy for this giant is to lay hundreds of eggs in the hope that maybe just one or two survive to adulthood. 这种巨型生物的进化策略，就是产几百个蛋希望...
