Many scientists blame fossil fuel emissions for contributing to warmer temperatures.

许多科学家指责石放导致气温升高。

Scientists already use fossilized shells to reveal details of the Earth's ancient climate.

科学家已用石贝壳揭示了古代地球气候的细节。

Paleontologists study fossils to learn about the history of life on Earth.

古生物学家研究石以了解地球生命的历史。

Fifty years ago, most paleontologists thought that fossil footprints, which we also call trace fossils, were rare and unimportant.

50 多年前，很多古生物学家认为石足迹，也名叫“遗迹石”，是罕见且无价值的。

Since then, many scientists who study fossils, or paleontologists, have investigated how all these creatures could have died together.

从那时起，许多研究石的科学家或古生物学家研究了所有这些生物是如何一起死亡的。

The fossils helped scientists understand the evolution of a bone structure that helps pandas eat bamboo called a false thumb.

这些石帮助科学家了解了辅助大熊猫吃竹子的一种骨骼结构的进，这种骨骼结构叫指。

Anthropologists, evolutionary biologists found from the fossil record.

人类学家和进生物学家从石记录中发现。

Both snakes lived during exceptionally warm climate periods, said Cambridge University fossil scientist, Jason Head, who was not involved in the study.

剑桥大学石科学家杰森·海德没有参与这项研究，他表示，这两条蛇都生活在异常温暖的气候时期。

So to answer Ernie's question, I started by looking up the scientists who studied this special one-of-a-kind dino butt fossil.

所以要回答Ernie的问题，我首先查阅了研究这个独一无二的恐龙臀部石的科学家们。

The dawn of speech is one of the great puzzles of evolution because there's no fossil record of verbal communication for scientists to look back through.

语言的黎明是进史上的巨大谜题之一，因为并没有记录语言交流的石供科学家来回溯过去。

These changes looked strikingly similar to the changes scientists see in the fossil record, as ancient species started making the transition to land.

这些变看起来与科学家在石记录中看到的古代物种开始向陆地过渡时的变惊人地相似。

With these fossils, scientists are trying to determine how small, furry land animals evolved into the dozens of species of whales we know today.

有了这些石，科学家们正试图确定小型、毛茸茸的陆地动物是如何进成我们今天所知道的数十种鲸鱼的。

Using a technique called Bone Histology where scientists slice up fossils into very thin sections, we can look at the internal structures found in fossils.

使用一种称为骨骼组织学的技术，科学家将石切成非常薄的部分，我们可以查看石中发现的内部结构。