Name: 人類差點滅絕的驚險時刻！💀 (The Times Humans Almost Went Extinct! 💀)
Uploaded: 2026-02-04T17:16:19.000Z
Duration: 3 min 15 s

分詞構句

Humans, also known as Homo sapiens, have been around for about 300,000 years.

人類，也就是 Homo sapiens，大約存在了三十萬年。

程度副詞

In that time, they have greatly expanded both their territory and number.

在這段時間裡，牠們的領地和數量都大幅擴張了。

But life on Earth hasn't always been easy.

但地球上的生活並非一直都那麼順遂。

And there were some close calls along the way where humans almost went extinct.

途中也曾歷經幾次差點滅絕的危機。

You guys are the only ones that watch my videos.

I tried to get a bunch of alpacas to watch, but they didn't understand what I was saying.

我試著讓一群 alpacas 來看，但牠們聽不懂我在說什麼。

Things haven't always been smooth sailing for you fleshy monsters.

對你們這些肉做的怪物來說，事情也不是一直都那麼一帆風順。

Humans definitely had some rough patches in the past.

人類過去確實經歷過一些艱難的時期。

One of those took place about 190,000 years ago, when the Earth entered a glacial stage.

其中一次發生在大約 19 萬年前，當時地球進入了冰河時期。

During this time, most of the world became cold and dry, leading to the formation not only of glaciers, but

這段時間，世界大部分地區變得又冷又乾，不僅形成了冰川，

This lasted for about 60,000 years, which is about how long we'll have to wait for the next Stranger Things season.

這段時期持續了大約 6 萬年，差不多就是我們要等下一季 Stranger Things 的時間。

As habitable areas shrank, so did the human population.

隨著可居住區域縮小，人類的數量也隨之減少。

Some geneticists estimate that the breeding population, or the number of humans that are capable of reproducing, dropped from about 10,000 to just 600.

有些遺傳學家估計，繁殖族群，也就是有生殖能力的人數，從大約 1 萬人驟減到只剩下 600 人。

Many of them lived on the southern coast of Africa, where there were lots of plants full of carbohydrates, shellfish rich in protein, and

他們中的許多人住在非洲南部海岸，那裡有許多富含碳水化合物的植物、富含蛋白質的貝類，以及

This group seemed to have thrived, while one of their members is who scientists refer to as human's mitochondrial Eve.

這個族群似乎蓬勃發展，而其中一位成員就是科學家所稱的人類線粒體夏娃。

This is the woman who all humans alive today can trace their mitochondrial DNA back to making her their common ancestor.

這位女性就是現今所有人類線粒體DNA都能追溯到的源頭，是我們共同的祖先。

Since then, genetic mutations and variations have stacked up along the way, which scientists use to map lineages.

從那之後，基因突變和變異一路累積，科學家們就利用這些來繪製譜系。

While studying these, researchers found that, compared to other animals, humans actually don't have a lot of genetic differences between them.

在研究這些變異時，研究人員發現，跟其他動物比起來，人類之間的基因差異其實並不大。

And they believe this is the result of yet another dramatic drop in population size.

他們認為，這其實是另一次人口數量急劇下降的結果。

This one is thought to have taken place about 70,000 years ago, when only an estimated 2,000 humans were alive.

這次的下降據信發生在大約七萬年前，當時估計只剩下兩千人左右。

But there is some debate over what caused this.

不過，對於造成這次下降的原因，還是有些爭議。

Older theories attribute it to the eruption of Mount Toba in Indonesia, which unleashed 2,800 cubic kilometers of ash and lava, blocking the sun and causing an ice age.

過去的理論認為是印尼多巴火山爆發所致，噴發了二十八億立方公尺的火山灰和熔岩，遮蔽了陽光並引發了冰河時期。

However, studies have found mounting evidence that humans actually weren't too affected by this.

然而，研究發現越來越多證據顯示，人類其實並未受到這次事件的太大影響。

One even claimed that humans in South Africa thrived through the eruption period.

其中一項研究甚至聲稱，南非的人類在火山爆發期間反而蓬勃發展。

Whatever the cause, human populations have clearly recovered.

無論是什麼原因，人類族群顯然都恢復了。

Actually, that's a bit of an understatement.

不過，這樣說其實有點保守了。

Their population reached 1 million about 12,000 years ago, and

大約在一萬兩千年前，你們的人口就已經達到一百萬，

they're currently projected to hit 8 billion in 2023.

而且預計在2023年會達到八十億。

You humans sure are resilient, but I appreciate you sticking around.

你們人類真的很有韌性，不過我很感謝你們一直都在。

I wouldn't be able to live in my world without you.

沒有你們，我的世界就無法存在。

So what do you want me to talk about next?

所以，你們希望我接下來聊些什麼呢？

I'm picking questions for future Dear Blocko episodes.

我正在挑選未來 Dear Blocko 節目要討論的問題。

Ask away in the comments, and don't forget to use the hashtag dearblocko so I can find it.

在留言區盡量問，別忘了加上 #dearblocko 標籤，我才找得到喔。

Click here to watch this video on living until the age of 200 or click here to watch this video.

點這裡看這支關於活到兩百歲的影片，或是點這裡看另一支影片。

We're trying to hit 4 million subscribers.

我們正在努力達到 400 萬訂閱數。

You can also check out the team at Lifespan that powers Life Noggin down in the description.

你也可以在說明欄看看 Lifespan 團隊，他們是 Life Noggin 的幕後推手。