Once consciousness had emerged, the capacity for more complex behaviors created an arms race between competing species.

意识出现后，更复杂行为的能力在竞争物种之间引发了军备竞赛。

The study—in the journal Scientific Reports—suggests dinosaurs developed complex social behavior 40 million years earlier than previously thought.

刊登在《科学报告》杂志上的这篇研究认为恐龙发展出复杂社交行为的时间，比我们之前认为的早了4千万年。

Non-linear models are a little trickier but they let us study a broader range of events with complex behaviors, including outbreaks!

非线性模型有点复杂，但也拓宽了我们能处理的现实，这些现实中的时间更加复杂，就比如一次疫情。

Keep in mind that this is just an introduction to the complex behavior that is conformity, and not a comprehensive look.

请记住，这只是对从众这一复杂行为的介绍，并不是全面的考察。

Kin selection can help us to understand how complex human behaviors might have evolved.

亲属选择可以帮助我们了解复杂的人类行为是如何进化的。

These microcircuits could explain how birds are capable of complex behaviors— like newly discovered conscious experiences.

这些微电路可以解释鸟类如何能够做出复杂的行为——比如新发现的有意识的体验。

And it makes sense to explain complex and intelligent behavior in terms of internal mechanisms and internal representations.

从内部机制和内部表征的角度来解释复杂和智能的行为是有意义的。

With things like Tyrannosaurus Rex, you have bigger brains, you have the option for more complex behaviors, especially when it comes to parental care.

对于霸王龙，它们拥有更大的大脑，可以选择更加复杂的行为，尤其是亲代育雏方面。

He realized very quickly that this way of thinking about nonhuman animals was—of the time, was very reductionist and didn't explain complex behavior at all.

他很快意识到，这种对非人类动物的思考方式在当时是非常简化的，根本无法解释复杂的行为。

For context, in humans when they study complex behaviors, they often need study sizes of hundreds of thousands, and even millions of people.

就上下文而言，在人类研究复杂行为时，他们通常需要研究数十万人，甚至数百万人。

Early models proposed that only a small region of bird brains was responsible for complex behaviors, but this has been revised in recent years.

早期的模型提出，只有一小部分鸟类大脑负责复杂的行为，但近年来这一观点得到了修正。

To filter out what is unique from what is shared might enable us to understand how complex cultural behavior arose and what guides it in evolutionary or cognitive terms.

从共有特征中滤出独有特征使我们得以理解复杂的文化行为是如何产生的，并从进化或认知角度理解什么引导了它的走向。

But if you look on the left side, some of the evolutionary pathway outlined here to the octopus, they have both converged, if you will, to complex behaviors and some form of intelligence.

但是如果你看左边，这里概述的章鱼的一些进化路径， 它们都融合了， 如果你愿意的话， 复杂的行为和某种形式的智力。

I'd recommend taking a looking at my video called “Why Self-Discipline is so Hard”, which you can watch by clicking the card in the top right of your screen, to get a more complete picture of this complex behavior.

我建议大家看一下我的视频“为什么自律如此困难”，你可以点击屏幕右上方的卡片来观看，从而对这个复杂行为有一个更全面的了解。