Suddenly his Geiger counter sprang into life, 他的盖格计数器数值突然剧烈跳动 but when he dug down it wasn't a uranium mine he found, but dinosaur bones. 但是他挖出来的并不是铀矿，而是恐龙骨骼 The surprise wasn't that...
Single bones will not do. 一块骨骼是没有用的 This window on the mid-Jurassic would have to contain more than just dinosaurs. 这个中侏罗世窗口必须包含恐龙之外的东西 We need fossils of all the other animals that lived with t...
Something turned the primitive dinosaurs of the early Jurassic 因为某些原因，早侏罗世的原始恐龙 into the amazing creatures of the late Jurassic, but what was it? 最终变成了晚侏罗世那些令人称奇的生物，那么，究竟是...
In many ways the late Jurassic is really the golden age of dinosaurs. 从许多方面来讲，晚侏罗世都可以算是恐龙的黄金时期 We have a tremendous diversity of different kinds of dinosaurs, meat-eaters and plant-eaters, forms with ar...
In Argentina a group of scientists prepare for a major expedition. 在阿根廷，一群科学家正为长途探险做着准备 Their journey will take them back in time to a world that is almost completely unknown to science. 这趟旅程将把他们带...
No creatures have ever dominated the earth like the dinosaurs, 没有哪种生物能像恐龙那样统治地球 but the great mystery at the heart of the dinosaur story is how they came to take over the world. 但是恐龙的故事中却包藏着一个...
It also has one freakish feature: there are seven rows of teeth. 它还有一个很特别的特征：它有7排齿列。 It is unlike any other creature we know of. 这与我们所知的任何动物都不一样 This suggests it must be one of the hos...
If we look at the tetrapod we have the pit now gone altogether 我们再看一下四足动物，凹陷已经彻底消失 and here's that lower blood vessel hole there in the tetrapod, 这里有个四足动物颚骨的下行血管出口 so in this res...
He named the jaw livoniana and to prove it really was a transitional form 他将这块颚骨化石命名为文塔螈，为了证明它的确是过渡型物种 he ran it through something called a cladistic analysis. 他用所谓的谱系分支分析对...
When you see the tetrapods in the same fauna with these hyneria it, it really does 当你发现四足动物与这些含肺鱼处于同一个群落时， make you think well maybe escaping from large, large predators like this hyneria was, 你不禁要想...
