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  • Are you alone in the Universe?

    你在這宇宙中是孤獨的嗎?

  • Or, are you connected to anything?

    或者,你和任何事物是有所連結的?

  • First of all, you're part of a group of mammals, that's still very young,

    首先,你是哺乳類的一份子,一種新興的物種。

  • but we can make YouTube videos already, and build Large Hadron Colliders.

    但是我們現在已經可以自己做Youtube影片,或是建造一台大強子對撞機。

  • We've also split the atom and invented Pokémon.

    我們也把原子給拆開了,還創造了神奇寶貝。

  • We stem from an ancient life form, that began living about three and a half billion years ago.

    我們是從35億年前的一種古代生命形式發展而來的。

  • We feel like we're in control of this planet, but we aren't really.

    我們以為自己有能力控制這顆星球,其實不然。

  • One little asteroid or one creative virus is really all it would take to kill us off for good.

    一顆小小的小行星或是一種全新的病毒就足以把我們全部殺光。

  • Humanity credits itself with being able to destroy the planet,

    人類認為自己有能力毀滅這顆行星,

  • but even with all our nuclear toys, we would probably just cause a huge mass extinction at best.

    但是就算把我們的核武器全部用上,頂多就是造成大規模的生物滅絕而已。

  • Maybe we could kill 90% of everything living on this planet.

    我們或許能殺掉這星球上90%的生物。

  • Big deal!

    也沒什麼大不了。

  • A few million years later, life would be back everywhere.

    因為過了幾百萬年後,生命又會再次遍佈地球。

  • Most microscopic life and life below the surface wouldn't even be disturbed that much probably.

    大部分微生物和地底下的生物甚至不會受到太大的影響。

  • On a geological time scale, our impact on Earth is kind of laughable.

    從地質學的時間尺度來看,我們在這星球上造成的影響根本是九牛一毛。

  • We're actually not that powerful.

    我們實際上並沒有那麼強大。

  • We live on this tiny wet rock that speeds through space, following a massive ball of burning plasma.

    我們生活在一顆小小的潮濕的岩石上頭,而它在太空中繞行著一顆滾燙的電漿大球。

  • One day, this ball of plasma will stop burning and, most likely, kill us in the process.

    總有一天,這顆電漿大球會停止燃燒,而我們很有可能在這過程中被殺光。

  • If we survived the death of the Sun, and colonized a galaxy,

    就算我們從太陽的死亡過程中逃出來,在一個星系上殖民了,

  • theoretically, we could survive until the last star in the Universe goes out.

    理論上,我們也只能活到宇宙中最後一顆恆星熄滅為止。

  • After that, life becomes pretty impossible.

    在那之後,生命就不太可能存在了。

  • Okay, so, everything has an end.

    好的,所以,任何事物都有個盡頭。

  • Where does this leave you as an individual?

    那麼我們哪是獨立的呢?

  • At one point in your life, for about half an hour, you were only one single cell inside your mother's womb.

    在你生命中的某段時間,大約是半個小時,你只是母親子宮中一個小小的細胞而已。

  • A creature just 0.1 millimeters in diameter.

    那時你只有0.1毫米的大小。

  • Today, you consist of about fifty trillion cells.

    然而今天,你是由將近50兆個細胞組成的。

  • Fifty trillion incredibly complex little biological machines,

    50兆個超級複雜的小小生物機器,

  • that are much bigger and more complex than the average bacteria.

    比一般的細菌要來得大與複雜得多。

  • They operate by the laws of physics and chemistry,

    他們在物理與化學的法則下運作,

  • and use micro-machines to build proteins, make energy usable,

    並且用他們的微小機器來製造蛋白質,使能量變得可利用。

  • devour foods, transport resources, transmit information, or reproduce.

    吞噬食物,運送資源,傳輸資訊,或是複製自己。

  • They communicate, duplicate, commit suicide, fight off intruders,

    它們能溝通,複製,自殺,擊退入侵者,

  • and fulfill super-specialized duties for the greater good of keeping you alive.. so, you can have babies.

    並且完成各自的專門工作來製造出更大量的物質來延續你的生命....你才能生出下一代。

  • But, where is the "you" part in this, if you're made of trillions of little things?

    但是,如果你是由這數兆個小東西組成的,那麼「你」到底是哪個部分呢?

  • The basic information for "you" is stored in the DNA.

    關於「你」的最基本的資訊,被儲存在"DNA"中。

  • A molecule that encodes the genetic instructions used in the development and functioning of all known living things.

    一種能夠將所有已知生物的發展與運作的基因法則編碼下來的分子。

  • If you were to unravel it, it would be two meters long.

    如果將它展開,它有兩公尺那麼長。

  • If you combined all the little DNA strings in all your cells, you'd get a string so long that it would stretch to Pluto, and back to Earth.

    如果將你體內所有的DNA絲線連在一起,那長度可以一路連到冥王星後再連回地球。

  • That's pretty long.

    真的超長的。

  • And your DNA is a direct connection to your very first ancestor.

    而你的DNA是你與最原始祖先的直接連結。

  • Take a second to think about this.

    稍微試想一下吧。

  • In every cell of your body there's a little string of stuff that's been there in various forms for 3.4 billion years.

    在你身體裡的每一個細胞,都有一段以多種形式存在了34億年的DNA。

  • It evolved, it mutated, it duplicated, trillions of times, but it directly connects you to the first living being on this planet.

    它不斷的進化、變異、複製,重複了幾兆遍,但是他仍是你對於這星球上最初始生命的直接連結。

  • We could say you touched every living being that came before you, with your DNA.

    也就是你藉由你的DNA,和在你之前的所有生物都有所連結。

  • But you are more than your DNA.

    但是你不只是DNA而已。

  • Your body is made of seven octillion atoms.

    你的身體由7千秭個原子組成的。

  • That's seven billion, billion, billions.

    也就是70億乘以10億再乘以10億

  • Roughly 93% of the mass of the human body is made up of just three elements.

    大致上93%的人體質量是由三種元素構成的。

  • Oxygen, carbon, and hydrogen.

    氧、碳還有氫。

  • Oxygen and hydrogen are predominately found in water,

    氧和氫主要在水裡。

  • which makes up about 60% of the body by weight.

    而水構成了60%的人體

  • Carbon is maybe the most important element for life.

    碳或許是生命最重要的元素。

  • It can easily bond with other atoms, which allows for the building of long, complex chains of molecules,

    它能夠輕易和其他原子鍵結,能夠合成又長又複雜的分子鍊。

  • which make up the solid part of "you".

    而這些東西構成了「你」的實體部分。

  • The remaining 7% is a tour of the periodic table of elements.

    剩下的7%就是一趟元素週期表之旅。

  • Nitrogen, calcium, phosphorus, potassium, sulfur, sodium,

    氮、鈣、磷、鉀、硫、鈉

  • chlorine, magnesium, iron, fluorine, zinc, copper, iodine,

    氯、鎂、鐵、氟、鋅、銅、碘

  • selenium, chromium, manganese, molybdenum, cobalt, lithium, strontium,

    硒、鉻、錳、鉬、鈷、鋰、鍶

  • aluminium, silicon, lead, vanadium, arsenic and bromine.

    鋁、矽、鉛、釩、砷還有溴。

  • Uh!

    呼!

  • By the way, this also means you're about 0.5% metal. No matter what your favorite music is.

    順帶一提,這代表你身體有0.5%的金屬,不管你喜歡什麼樣的音樂。

  • Anyway, these elements, perform various functions, like: enabling oxygen transport,

    總之,這些元素有著多樣的功能,像是:傳輸氧氣,

  • building of bones and cell structures, carrying signals, driving chemical reactions, and a lot more.

    構成骨頭和細胞,傳遞訊號,啟動化學反應,還有其它有的沒的。

  • Your body is in a constant state of transition.

    你的身體穩定的變化著。

  • Every sixteen days, 75% of "you" has been replaced,

    每16天,有75%的「你」會被替換掉,

  • because a healthy human exchanges about 100% of their water in that time period.

    因為一位健康的人類體內將近全部的水分都會在這段時間內被替換。

  • Each year, about 98% of your atoms are replaced by new ones,

    每年你的原子有將近98%會被換新。

  • and every 5 years close to all of the atoms that make up your body weren't there five years ago.

    而每過5年,將近你的身體全部的原子都會被汰換掉。

  • So, you could call yourself a temporary collection of atoms.

    所以,你可以稱自己是一個「原子的暫時聚集體」。

  • But, were did these atoms come from?

    但是,這些原子是哪來的呢?

  • In the beginning of the Universe, there were mostly hydrogen and helium atoms.

    在宇宙的起源,幾乎只有氫和氦原子。

  • Enormous gas clouds formed, over millennia, and grew, denser and denser,

    一大團的雲氣聚集在一起,經過千年,不斷的成長、壓縮、再壓縮。

  • until they collapsed under their own gravity, giving birth to the first stars.

    直到他們被自己的重力壓垮,並且創造出了第一顆恆星。

  • In the cores of these stars hydrogen was converted into helium under extreme conditions.

    在這些恆星的核心部分的極端的環境中,氫原子被轉換成氦原子。

  • After millions of years, the hydrogen became exhausted, and the stars began dying.

    過了幾百萬年,氫原子耗盡,於是恆星開始死亡。

  • Under super-extreme conditions, all elements we know today were created a fraction of a second before they died and exploded in supernovas.

    在超級極端的狀況下,我們今日所知的所有元素在不到一秒之內被創造出來--在他們死於超新星爆炸前。

  • They shot most of their contents into space, while the cores collapsed and became black holes.

    大部分的物質被四散到太空中,而核心部分則開始塌縮並形成黑洞。

  • All these elements traveled through space for who knows how long,

    這些物質在太空中飛行了不知道多長的距離,

  • until they arrived at a different cloud, that was slowly forming a new star, our Sun.

    直到他們碰到另一團雲氣,然後逐漸形成了一顆新的恆星--我們的太陽。

  • These elements, that once were the insides of a star, formed planets,

    這些曾經存在於恆星內部的元素形成了行星,

  • and found their way onto Earth, where they enabled life to begin.

    他們一路到了地球上,於是生命開始了。

  • So we are directly connected to the first stars ever born in the Universe.

    所以說,我們和宇宙中第一顆出生的恆星有著直接的連結。

  • We are part of the Universe.

    我們,就是宇宙的一部分。

  • The idea of being a deeply connected minuscule part of an enormous structure is really mind-blowing.

    「我們是龐大宇宙中微不足道卻息息相關的一份子」這概念,實在是非常震撼人心。

  • We don't know what all of this means.

    我們不知道這一切到底意味著什麼。

  • Or, if it means anything at all.

    或是,其實這已經代表了一切。

  • We know that we are made of little parts that connect us to everything in the Universe.

    我們知道我們是由許多小小的部分所組成,而這些部分將我們和宇宙中萬物之間建立了關連。

  • To the beginning of everything.

    直至一切的起源。

  • And this is kind of a nice thought:

    而這是一件好事:

  • You are not alone. You never were.

    你不是孤獨的。從來都不是。

  • You never will be.

    也不可能會是。

Are you alone in the Universe?

你在這宇宙中是孤獨的嗎?

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B2 中高級 中文 英國腔 原子 恆星 宇宙 元素 生命 生物

我們在宇宙中是孤單的嗎? (Are You Alone? (In The Universe))

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    羅紹桀 發佈於 2015 年 07 月 11 日
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