The rats that had spent more time in the enriched environment had more synaptic connections.

（后来发现）在丰富的环境中待得时间长的老鼠具有更多的突触连接。

She found that if the body was in an enriched environment, the brain could be shaped by that environment and grow.

她发现，如果身体处于一个丰富多彩的环境中，那么大脑就会受到这种环境的影响而成长。

And so that's why you want to complexify your brain and the way you complexify it is by enriching your environment.

所以你想让你的大脑复杂化，而让它复杂化的方式就是丰富你所处的环境。

They enrich interstellar environments with heavy elements when they die as supernovae.

当它们作为超新星死亡时，它们会用重元素丰富星际环境。

So an enriched environment allows you to develop more pathways; so that they'll be there and available for you and they won't be pruned away as you grow older.

所以一个丰富的环境可以让你发展更多的神经通路；这样它们就会一直在那里为你所用，不会随着你年龄的增长而被修剪掉。

We keep animals as pets, they enrich our environment, we farm many species for food, and we use them in experiments to advance science and human health.

我们饲养动物作为宠物，它们丰富了我们的环境，我们养殖许多物种作为食物，我们在实验中使用它们来促进科学和人类健康。

Ultimately the goal here is that we want to provide an enriched and rewarding environment for this animals that are extremely intelligent， and it's kind of a combination of fun and work for them while they're out here.

我们最终的目的是想要提供一个丰富有益的环境给这些动物，它们是如此的聪明，这对它们来说也是一种劳逸结合吧。