Physical anthropologists study the evolution of the human species.

生物人类学家研究人类物种的演化。

And a human species focused only on sustaining itself?

人类只专注于满足自身生命最基本的需求？

But existential risks don't only threaten the survival of the human species.

但生存风险不仅威胁着人类的生存。

Because listening to scientists means a brighter future for the human species.

因为聆听科学家的意见可以给人类带来更光明的未来。

The collection is designed to represent the genetic diversity of the human species.

这种描述旨在展现人类物种的遗传多样性。

Homo erectus was one of the most successful human species of all time.

直立人是有史以来最成功的物种之一。

It is already the largest trash pile in the history of the human species.

它已经成为人类历史上最大的垃圾堆。

So today we are all that is left of the human species.

所以今天我们是仅存的人类物种。

We don't know exactly how many human species have decorated our family tree in all.

我们不知道到底有多少人类物种装点了我们的家谱。

So you have to ask as a member of the human species, how do they work?

所以你必须问，作为人类物种的一员，它们是怎么回事呢？

Scientists worked for years to confirm whether the print could have come from a human species.

多年来，科学家们一直在努力确认这个脚印是否来自人类。

Homo floresiensis are thought to be among the last early human species to die off.

弗洛勒斯人被认为是最后灭绝的早期人类物种之一。

It's not entirely clear, but the fate of another human species called the Denisovans is even less clear.

目前还不完全清楚，但另一种被称为丹尼索瓦人的人类物种，其命运就更不清楚了。

It was the first fossil of an extinct human species to be discovered in Africa.

这是在非洲发现的第一块灭绝的人类化石。

Our modern human species, 'homo sapiens' ('thinking man' in the Latin), evolved in Africa at least 150,000 years ago.

我们的现在人种“智人”（拉丁语中意为“有思想的人”）是至少约十五万年前，在非洲进化而来的。

There are two areas where writing makes an absolutely decisive difference to the whole history of the human species.

它在两个方面决定性地改写了整个人类历史。

This might be related to why we find dance in all cultures and throughout history for the human species.

我们发现舞蹈贯穿于人类历史和所有文化中，或许原因于此有关。

But the age suggests that Homo erectus was the only possible human species at the time.

但这个年龄表明直立人是当时唯一可能的人类物种。

Now we know we're just one of more than two dozen human species that've walked the Earth...well, probably walked.

现在我们知道我们是为数不多的在地球上行走的物种之一。

Homo sapiens was not the first human species to live outside of Africa - including the area surrounding the hub.

智人并不是第一个生活在非洲以外的人类物种——包括枢纽周围的地区。