Ricin is one of the deadliest natural substances that is not found in an animal.

蓖麻毒素是来自非动物毒液的最致命的自然毒素之一。

And as potent as it is, ricin isn't even close to being the most poisonous natural substance on Earth.

但蓖麻毒素离举世公认第一杀人魔王，功力可差多了。

Now what are the properties of these chemicals, of these natural substances?

这些化学物质、这些天然物质的性质是什么？

But they also discovered that this weird-looking fungusis synthesizing unique natural substances, mortiamides.

但他们也发现，这种长相怪异的真菌合成了一种独特的天然物质——mortiamides。

Don't eat potatoes and tomatoes. They'll kill you. Here, smoke this. It's 100% natural, organic substance. It's good for you. It's called tobacco. - thanks, doctor.

不要吃土豆和西红柿。它们会杀了你。来，抽这个。它是 100% 天然的有机物质。这对你有好处。这叫做烟草。- 谢谢医生。

This story starts with an element called Bromide, a natural substance that is harmless to humans and is formed in the water from salt.

这个故事从一种叫做溴化物的元素开始，这是一种对人类无害的天然物质， 是由盐在水中形成的。

This object is something created from a natural substance for a particular purpose, and in a particular way, with a notion in the maker's mind of what he needed it for.

这件物品是制作者依据需要，利用自然物加以创造，为特殊的目的服务，用特殊的方式打制。

From these 13 natural substances, turned out that 11 had already been identified in other lichens, but two of the substances turned out to be unique in the world.

从这 13 种天然物质中， 有 11 种已经在其他地衣中发现，但其中两种物质在世界上是独一无二的。

The good news is that scientists, and lab mice, have been working hard developing anti-toxins to these most poisonous natural substances, so that if we do come across one of them, we might not die.

好消息是全世界的科学家、实验室都精益求精，有朝一日搞不好这些世界上的毒王毒后终能有解药。然后要是我们不幸中奖，大概有那么一点机会......不要死掉。

The dyeing of Easter eggs in different colors is commonplace, with the color being achieved through boiling the egg in natural substances, oak or alder bark or walnut nutshell for black, beet juice for pink or using artificial colorings.

将复活节彩蛋染成不同颜色很常见，是通过在天然物质中煮鸡蛋来上色，黑色为橡木、桤木树皮或胡桃壳，粉红色为甜菜汁水或人工色素。

You get the natural substances coming out from, produced by a microscopic fungusisolated from the sediment of the icy cold Frobisher Bayin the great white, snowy norththat could provide an answer to one of the most terrible tropical infections.

你会得到天然物质，它们是由从冰冷的 Frobisher Bay 的沉积物中分离出来的微小真菌产生的，在大白雪皑皑的北方， 这可以为最可怕的热带感染之一提供答案。