Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated:
1
00:00:02,811 --> 00:00:06,777
TYSON: We all feel the weight
of the shadows on our future.
2
00:00:07,547 --> 00:00:11,308
But in another time, every
bit as ominous as our own,
3
00:00:11,703 --> 00:00:15,340
there were those who could
see a way through the darkness
4
00:00:15,420 --> 00:00:17,924
to find a star to steer by.
5
00:00:19,793 --> 00:00:21,383
Carl Sagan wrote,
6
00:00:21,834 --> 00:00:25,308
"I was a child in
a time of hope...
7
00:00:25,819 --> 00:00:29,255
I wanted to be a scientist
from my earliest school days.
8
00:00:29,347 --> 00:00:32,884
The crystallizing moment came
when I first caught on that
9
00:00:32,977 --> 00:00:35,649
the stars are mighty suns...
10
00:00:35,750 --> 00:00:38,988
When it first dawned on me
how staggeringly far away they
11
00:00:39,047 --> 00:00:43,625
must be to appear as mere
points of light in the sky...
12
00:00:43,953 --> 00:00:47,856
I'm not sure I even knew the
meaning of the word "science" then,
13
00:00:47,994 --> 00:00:52,853
but I wanted somehow to immerse
myself in all that grandeur...
14
00:00:52,973 --> 00:00:56,403
I was gripped by the
splendor of the universe...
15
00:00:56,512 --> 00:00:59,877
Transfixed by the prospect
of understanding how things
16
00:00:59,954 --> 00:01:03,927
really work, of helping to
uncover deep mysteries...
17
00:01:04,186 --> 00:01:06,798
Of exploring new worlds...
18
00:01:08,032 --> 00:01:10,258
Maybe even literally.
19
00:01:14,900 --> 00:01:18,304
It has been my good fortune
to have had that dream,
20
00:01:18,387 --> 00:01:20,592
in part, fulfilled...
21
00:01:26,383 --> 00:01:30,566
For me, the romance of science
remains as appealing and
22
00:01:30,634 --> 00:01:33,826
new as it was on that day...
23
00:01:34,416 --> 00:01:42,384
When I was shown the wonders of
the 1939 New York World's Fair.
24
00:01:48,911 --> 00:01:53,272
This is where the
future became a place."
25
00:01:54,505 --> 00:01:57,982
But, how could
there be hope in 1939?
26
00:01:58,359 --> 00:02:01,736
The angriest voices had
taken the world stage,
27
00:02:01,803 --> 00:02:04,605
preaching hatred
and tribal division.
28
00:02:04,785 --> 00:02:07,428
The most
cataclysmic war in history,
29
00:02:07,559 --> 00:02:11,330
which would take the lives
of 60 million human beings,
30
00:02:11,407 --> 00:02:13,712
was only just beginning.
31
00:02:14,025 --> 00:02:16,661
Yet, even as
darkness descended,
32
00:02:16,808 --> 00:02:19,962
it was possible to awaken
the young Carl Sagan and his
33
00:02:20,033 --> 00:02:23,939
contemporaries with a
thrilling vision of the future.
34
00:02:24,635 --> 00:02:28,044
One that was powerful
enough to inspire many of them
35
00:02:28,145 --> 00:02:31,006
to do the years of
hard work required to
36
00:02:31,062 --> 00:02:34,092
become scientists and engineers.
37
00:02:52,733 --> 00:02:57,877
♪ ♪
38
00:02:59,746 --> 00:03:03,324
The "miracle" of television
became a reality to the public
39
00:03:03,406 --> 00:03:06,077
at the 1939 World's Fair.
40
00:03:06,281 --> 00:03:10,093
We had learned to manipulate
electrons into what would become a
41
00:03:10,191 --> 00:03:13,065
civilization-altering force.
42
00:03:13,105 --> 00:03:17,162
This working model of a TV
set was transparent to convince
43
00:03:17,232 --> 00:03:20,136
the skeptics that what
they were seeing was not just
44
00:03:20,199 --> 00:03:21,904
motion picture images.
45
00:03:22,024 --> 00:03:25,451
The images on the television
screen were actually live
46
00:03:25,511 --> 00:03:28,567
signals from
across time and space.
47
00:03:29,967 --> 00:03:33,223
A possible world of
revolutionary high technology
48
00:03:33,316 --> 00:03:35,420
was first glimpsed here.
49
00:03:47,971 --> 00:03:52,041
Carl Sagan was the first to
explore space and time on the
50
00:03:52,088 --> 00:03:54,093
Ship of the Imagination.
51
00:03:54,283 --> 00:03:56,618
But we have
something else in common.
52
00:03:56,813 --> 00:04:01,427
We both had life-changing
experiences in this same place
53
00:04:01,589 --> 00:04:03,527
in Flushing Meadow, New York.
54
00:04:09,906 --> 00:04:12,385
When I was about
the same age as Carl,
55
00:04:12,550 --> 00:04:16,567
my family took me to
the 1964 World's Fair.
56
00:04:16,727 --> 00:04:19,197
I'm the little
guy on the left.
57
00:04:19,286 --> 00:04:24,166
It was 25 years later and our world
faced a different set of problems.
58
00:04:24,260 --> 00:04:27,452
The superpowers had rigged
the planet with some tens of
59
00:04:27,499 --> 00:04:29,949
thousands of nuclear weapons.
60
00:04:29,985 --> 00:04:33,684
They were on short fuses that
could be lit at any moment.
61
00:04:34,106 --> 00:04:36,822
Preparing for the coming
apocalypse was a frequent
62
00:04:36,886 --> 00:04:39,091
ritual for
schoolchildren like me.
63
00:04:39,163 --> 00:04:41,987
While we all knew that our
lives could be terminated at
64
00:04:42,065 --> 00:04:47,244
any moment, the 1964 World's
Fair presented a vision of a
65
00:04:47,331 --> 00:04:50,669
boundless future,
one freed of danger,
66
00:04:50,818 --> 00:04:54,294
where science and technology
had been refocused on human
67
00:04:54,353 --> 00:04:56,202
hopes and dreams...
68
00:04:56,625 --> 00:05:00,185
I have stunning, indelible
memories of that visit.
69
00:05:00,278 --> 00:05:02,929
My father was a key
administrator for New York City
70
00:05:03,007 --> 00:05:05,016
during the civil
rights movement,
71
00:05:05,052 --> 00:05:08,263
and they named a monorail
car after him for the day...
72
00:05:08,358 --> 00:05:11,868
We proudly rode the
Tyson Comet into the fair.
73
00:05:17,822 --> 00:05:21,484
I remember the life-like,
animatronic dinosaurs and
74
00:05:21,578 --> 00:05:24,384
being amazed that we
could know about things that
75
00:05:24,435 --> 00:05:26,439
happened so long ago.
76
00:05:26,752 --> 00:05:31,339
I remember the sense that Earth
was just a place we happened to be.
77
00:05:31,667 --> 00:05:34,866
Even the fair's main symbol,
the Unisphere,
78
00:05:34,976 --> 00:05:38,497
was a vision of Earth in the
larger context of the cosmos.
79
00:05:39,088 --> 00:05:42,824
Remember, this was before
anyone had ever seen the whole
80
00:05:42,878 --> 00:05:44,883
Earth from deep space...
81
00:05:45,662 --> 00:05:48,865
It was a time when
everything soared.
82
00:05:48,901 --> 00:05:51,591
Even the buildings
seemed ready for take-off.
83
00:05:55,845 --> 00:05:58,872
You could go on a trip
to a brighter future,
84
00:05:58,977 --> 00:06:01,608
an Earth where
there were no slums,
85
00:06:01,678 --> 00:06:03,683
and no hunger...
86
00:06:08,606 --> 00:06:11,402
Some of those
promises remain unfulfilled,
87
00:06:11,711 --> 00:06:16,464
and others have been exceeded beyond
even the wildest dreams of that time...
88
00:06:17,009 --> 00:06:19,061
Do me a favor.
89
00:06:19,121 --> 00:06:22,876
Try to forget everything you
take for granted at this moment.
90
00:06:23,635 --> 00:06:27,632
Imagine you've never
seen a laptop, or tablet,
91
00:06:27,669 --> 00:06:28,813
or smart phone,
92
00:06:28,850 --> 00:06:32,220
that you've never
searched for anything online,
93
00:06:32,384 --> 00:06:35,998
or ever received an email
or a text message from anyone.
94
00:06:37,204 --> 00:06:40,559
This was a world where if you
wanted to know something about
95
00:06:40,627 --> 00:06:44,642
the history of life,
or the lyrics to a song,
96
00:06:44,790 --> 00:06:47,690
you had to go to
the nearest library.
97
00:06:48,823 --> 00:06:50,319
[OVERLAPPING CHATTER]
98
00:06:50,440 --> 00:06:52,140
TYSON: Like many
people at that time,
99
00:06:52,199 --> 00:06:55,392
it was here that I had
my very first interaction
100
00:06:55,475 --> 00:06:56,219
with a computer.
101
00:06:56,256 --> 00:06:59,710
WOMAN: The machine on my right is
the IBM Optical Character Reader.
102
00:06:59,779 --> 00:07:02,414
It's a machine which
reads handwritten numbers.
103
00:07:02,546 --> 00:07:04,747
To illustrate its
operation to you,
104
00:07:04,825 --> 00:07:07,941
you will be able to ask for the
news of any date that you'd like.
105
00:07:07,986 --> 00:07:11,074
You simply write a date on a
card and then the IBM Optical
106
00:07:11,136 --> 00:07:13,705
Character Reader reads
your handwritten numbers.
107
00:07:13,770 --> 00:07:16,158
The computer replies
with the news event.
108
00:07:20,439 --> 00:07:25,441
TYSON: Imagine my amazement that a
machine could read the date of my birth,
109
00:07:25,620 --> 00:07:30,315
and spit out the most important events
that took place on that very day.
110
00:07:32,375 --> 00:07:34,883
How could a machine
possibly know that?
111
00:07:35,844 --> 00:07:39,151
Even in this optimistic
dream of the future,
112
00:07:39,319 --> 00:07:42,671
the long shadow cast on
it was inescapable...
113
00:07:43,553 --> 00:07:46,501
The very same vehicles that
promised to take us to other
114
00:07:46,557 --> 00:07:50,520
worlds also threatened
to destroy this one.
115
00:07:51,468 --> 00:07:55,630
They could carry explorers,
or they could carry weapons of
116
00:07:55,706 --> 00:07:58,045
mass destruction.
117
00:07:58,082 --> 00:08:01,467
This Project Mercury
spacecraft had recently taken
118
00:08:01,540 --> 00:08:03,778
Scott Carpenter
into Earth orbit...
119
00:08:04,460 --> 00:08:07,687
There was a two-man Gemini
spacecraft that wouldn't be
120
00:08:07,724 --> 00:08:10,601
operational for
another year...
121
00:08:10,665 --> 00:08:14,675
And the most ambitious of all:
The Apollo command module and
122
00:08:14,729 --> 00:08:19,217
lunar lander were close enough
for me to reach out and touch.
123
00:08:19,397 --> 00:08:24,031
The first actual manned trip to
the Moon was still four years away.
124
00:08:24,149 --> 00:08:27,171
Think of the
audacity of that time:
125
00:08:27,337 --> 00:08:30,472
We were going to
send humans to the Moon
126
00:08:30,642 --> 00:08:32,619
and bring them back safely,
127
00:08:32,666 --> 00:08:36,781
and do it all with computers
whose best trick was to tell
128
00:08:36,842 --> 00:08:39,243
you what happened on
the day you were born...
129
00:08:42,201 --> 00:08:44,302
All these decades later,
130
00:08:44,572 --> 00:08:47,311
I can't believe we
really did those things.
131
00:08:47,676 --> 00:08:49,276
But like Carl,
132
00:08:49,388 --> 00:08:53,590
the hope I discovered at the
World's Fair has never left me.
133
00:08:54,474 --> 00:08:56,422
The odds were against us,
134
00:08:56,638 --> 00:08:59,609
but we're still here
more than 50 years later.
135
00:09:00,223 --> 00:09:05,138
And still dreaming of what the
future might hold for us...
136
00:09:13,090 --> 00:09:19,005
Come with me to the New
York World's Fair of 2039.
137
00:09:28,977 --> 00:09:34,954
[THEME MUSIC PLAYS]
138
00:09:54,136 --> 00:09:59,747
♪ ♪
139
00:10:19,583 --> 00:10:25,930
♪ ♪
140
00:10:45,826 --> 00:10:51,696
TYSON: It's the year 2029
and there's a girl somewhere,
141
00:10:51,782 --> 00:10:55,341
imaging how the
future might unfold.
142
00:11:21,019 --> 00:11:24,225
♪ ♪
143
00:11:40,389 --> 00:11:44,565
♪ ♪
144
00:12:20,139 --> 00:12:22,868
TYSON: Dreams are maps...
145
00:12:23,839 --> 00:12:27,257
Without them, we go nowhere...
146
00:12:29,866 --> 00:12:33,683
This new colossus, one
of many erected in each of
147
00:12:33,728 --> 00:12:38,306
the Earth's greatest harbors,
is made of calcium carbonate,
148
00:12:38,891 --> 00:12:43,179
the same material that nature
used to build life's first
149
00:12:43,241 --> 00:12:47,622
home in that ancient
lost city beneath the sea.
150
00:12:47,798 --> 00:12:51,430
Carbon dioxide, the main
driver of climate change,
151
00:12:51,500 --> 00:12:54,854
has been extracted from our
atmosphere and converted into
152
00:12:54,920 --> 00:12:59,555
the mineral used to construct
this monumental Tree of Life.
153
00:13:00,295 --> 00:13:03,893
These new wonders of the world
not only signify that our
154
00:13:03,963 --> 00:13:07,387
species has found a way to
avert the worst consequences
155
00:13:07,423 --> 00:13:12,065
of climate change, but they
also declare our ambition for
156
00:13:12,136 --> 00:13:14,746
the kind of greatness
that lives in harmony
157
00:13:14,832 --> 00:13:16,760
with our fellow earthlings.
158
00:13:19,712 --> 00:13:23,984
Welcome to the 2039
New York World's Fair.
159
00:13:24,582 --> 00:13:26,086
Come with me.
160
00:13:27,726 --> 00:13:32,169
[OVERLAPPING CHATTER]
161
00:13:42,523 --> 00:13:48,634
♪ ♪
162
00:14:07,319 --> 00:14:08,461
MAN: Hi.
163
00:14:10,743 --> 00:14:12,614
WOMAN: Yes, it's right that way.
164
00:14:15,753 --> 00:14:21,264
[INAUDIBLE CHATTER]
165
00:14:30,479 --> 00:14:33,820
[INAUDIBLE CHATTER]
166
00:14:53,502 --> 00:14:55,785
TYSON: Here, in the
Pavilion of the Searchers,
167
00:14:55,869 --> 00:14:58,983
the greatest heroes in the
history of science come to
168
00:14:59,020 --> 00:15:02,038
virtual life to
recount, one-on-one,
169
00:15:02,175 --> 00:15:04,514
how they deciphered
nature's secrets.
170
00:15:04,852 --> 00:15:09,167
They tirelessly answer every
conceivable question you might have.
171
00:15:09,687 --> 00:15:13,116
And here, there is no such
thing as a dumb question,
172
00:15:13,649 --> 00:15:17,050
no shame in asking anything
you really want to know.
173
00:15:17,436 --> 00:15:20,065
And these aren't just
robots whose heads are filled
174
00:15:20,120 --> 00:15:21,952
with recorded messages.
175
00:15:22,015 --> 00:15:24,680
We have found a way to
reproduce the neural networks
176
00:15:24,817 --> 00:15:29,133
in their brains, their ideas,
memories and associations,
177
00:15:29,733 --> 00:15:31,536
their connectome.
178
00:15:34,478 --> 00:15:37,659
Imagine a world where the
still unfolding story of the
179
00:15:37,714 --> 00:15:41,898
universe was told to every
child as naturally as we tell
180
00:15:41,976 --> 00:15:44,770
them our nursery
rhymes and fairy tales.
181
00:15:44,807 --> 00:15:46,112
WOMAN: Oh, can
they take us now?
182
00:15:49,598 --> 00:15:52,618
TYSON: Two questions: Did
it blow your mind when we
183
00:15:52,688 --> 00:15:54,577
discovered
gravitational waves,
184
00:15:54,614 --> 00:15:56,474
even though you
said we never would?
185
00:15:57,510 --> 00:15:59,149
EINSTEIN: Ja.
186
00:15:59,382 --> 00:16:01,184
TYSON: Second question.
187
00:16:01,274 --> 00:16:04,519
Your hidden variables,
solution to the paradox of
188
00:16:04,556 --> 00:16:07,501
quantum mechanics, now that
we know they don't exist,
189
00:16:07,643 --> 00:16:10,455
what does that say about
the nature of reality?
190
00:16:12,032 --> 00:16:13,548
EINSTEIN: Come with me.
191
00:16:16,214 --> 00:16:20,089
[OVERLAPPING CHATTER]
192
00:16:29,543 --> 00:16:34,040
TYSON: And this is the Pavilion
of the 4th Dimension, time.
193
00:16:34,417 --> 00:16:38,188
It's a place where anyone can set
their coordinates in space and time,
194
00:16:38,272 --> 00:16:43,236
and visit any moment in the 14 billion
year history of cosmic evolution.
195
00:16:43,865 --> 00:16:46,450
Isn't it amazing that we
only started doing science
196
00:16:46,552 --> 00:16:49,125
systematically
four centuries ago?
197
00:16:49,345 --> 00:16:52,782
And yet we've already been
able to reconstruct so much of
198
00:16:52,888 --> 00:16:56,851
what happened billions of
years before we even got here.
199
00:17:02,470 --> 00:17:04,675
[OVERLAPPING CHATTER]
200
00:17:24,579 --> 00:17:30,524
♪ ♪
201
00:17:41,250 --> 00:17:42,917
TYSON: This Cosmic Calendar,
202
00:17:43,047 --> 00:17:46,140
with all of time compressed
into a single Earth year,
203
00:17:46,300 --> 00:17:48,405
is yours to explore.
204
00:17:48,988 --> 00:17:51,326
What event in the
history of the universe would
205
00:17:51,414 --> 00:17:53,363
you most like to witness?
206
00:17:54,268 --> 00:17:55,212
Not the Big Bang,
207
00:17:55,249 --> 00:17:58,060
everybody wants to see that,
and besides,
208
00:17:58,116 --> 00:17:59,974
you have to be over 14.
209
00:18:00,018 --> 00:18:03,813
But, we could go to that
nanosecond before time began...
210
00:18:04,147 --> 00:18:07,572
Or that last perfect
day of the dinosaurs.
211
00:18:07,836 --> 00:18:12,006
Or to spend the afternoon
with the mitochondrial Eve,
212
00:18:12,043 --> 00:18:15,429
the mother of us all, the
woman to whom all humans can
213
00:18:15,522 --> 00:18:17,443
trace their lineage?
214
00:18:17,521 --> 00:18:20,832
Or what about a day trip to
Giza to see the pyramids when
215
00:18:20,869 --> 00:18:22,411
they were new?
216
00:18:22,513 --> 00:18:24,451
Just take your pick...
217
00:19:09,633 --> 00:19:12,002
TYSON: Life, the escape artist,
218
00:19:12,117 --> 00:19:15,019
having found
every niche on Earth,
219
00:19:15,055 --> 00:19:16,750
even ventured to the Moon...
220
00:19:16,787 --> 00:19:19,125
[RADIO CHATTER]
221
00:19:22,516 --> 00:19:25,988
When we first stood
amidst its sterile desolation,
222
00:19:26,110 --> 00:19:30,683
its lifeless dust, a world
painted only in shades of gray,
223
00:19:31,263 --> 00:19:34,499
we began to appreciate
how radically our planet
224
00:19:34,536 --> 00:19:36,998
changed when it was
touched by life's genius.
225
00:19:37,068 --> 00:19:38,665
ARMSTRONG [OVER RADIO]:
The eagle has landed.
226
00:19:40,392 --> 00:19:43,834
TYSON: What form will
life's genius take hundreds of
227
00:19:43,934 --> 00:19:46,444
millions of
years in the future?
228
00:20:02,874 --> 00:20:08,252
♪ ♪
229
00:20:14,462 --> 00:20:18,403
TYSON: Behold: This is the
earliest known ancestor we
230
00:20:18,481 --> 00:20:22,775
humans share with almost
every animal who lives now
231
00:20:23,048 --> 00:20:25,566
or ever lived on Earth.
232
00:20:25,603 --> 00:20:29,226
The real Saccorrhytus Coronarius
was actually quite small,
233
00:20:29,470 --> 00:20:31,604
just a black dot to our eyes,
234
00:20:31,796 --> 00:20:34,401
but it looms large in
our personal story.
235
00:20:35,202 --> 00:20:39,211
"Sacco" flourished more
than half a billion years ago.
236
00:20:39,387 --> 00:20:42,024
It's a progenitor of
the animal kingdom.
237
00:20:42,564 --> 00:20:47,154
So how did life, the sculptor,
carve us out of this?
238
00:20:48,331 --> 00:20:52,001
Evolution, given
world enough and time,
239
00:20:52,100 --> 00:20:55,060
makes possible the emergence
of those more complex and
240
00:20:55,151 --> 00:20:58,086
completely unexpected
qualities that can arise from
241
00:20:58,138 --> 00:21:00,040
simpler things.
242
00:21:14,556 --> 00:21:19,069
Life is a thread four
billion years long.
243
00:21:19,141 --> 00:21:22,701
It has survived at least five
mass extinction events and
244
00:21:22,792 --> 00:21:26,534
come back from each of them
stronger than ever before.
245
00:21:27,084 --> 00:21:31,523
Life demonstrates that we are
more than the sum of our parts,
246
00:21:31,625 --> 00:21:34,779
and even when we find ourselves
with our backs to the wall,
247
00:21:34,889 --> 00:21:37,250
life can find a
way into the future...
248
00:21:37,286 --> 00:21:39,290
[EXPLOSION]
249
00:21:45,000 --> 00:21:46,638
Landmine.
250
00:21:47,555 --> 00:21:52,497
A souvenir of our savagery left over
from conflicts all over the planet.
251
00:21:53,176 --> 00:21:56,613
We've infested our world with
more than 100 million of them.
252
00:21:56,790 --> 00:22:00,427
Every year they kill or
maim thousands of civilians,
253
00:22:00,551 --> 00:22:03,737
among them children at
play with their friends.
254
00:22:05,973 --> 00:22:09,855
Think of a global effort that
would be required to find and
255
00:22:09,892 --> 00:22:13,052
defuse more than 100
million explosive devices
256
00:22:13,122 --> 00:22:14,822
buried in the earth.
257
00:22:14,903 --> 00:22:16,925
Hopeless, right?
258
00:22:16,961 --> 00:22:20,634
But botanists have devised
an ingenious way to reveal
259
00:22:20,670 --> 00:22:23,859
the presence of dangerous
explosives beneath our feet.
260
00:22:24,298 --> 00:22:28,815
They have bioengineered the
thale cress plant whose roots
261
00:22:28,852 --> 00:22:31,633
can detect the nitrogen
dioxide gas that these
262
00:22:31,670 --> 00:22:34,107
landmines and IEDs emit.
263
00:22:34,805 --> 00:22:38,118
If the plant puts
out red leaves, beware.
264
00:22:38,549 --> 00:22:43,332
But if its leaves are green,
then you can play there in
265
00:22:43,369 --> 00:22:45,604
peace with your friends.
266
00:22:45,701 --> 00:22:49,231
We can use our understanding
of nature to spring the traps
267
00:22:49,268 --> 00:22:51,394
that we've set for ourselves.
268
00:22:59,579 --> 00:23:02,485
Let's take the
subway to New Jersey.
269
00:23:06,263 --> 00:23:09,925
We're riding the mycelium,
that underground network that
270
00:23:09,962 --> 00:23:13,770
connects 90% of the
world's trees and plants.
271
00:23:14,142 --> 00:23:18,283
It's an ancient co-production
of four kingdoms of life,
272
00:23:18,768 --> 00:23:24,425
plants, bacteria,
fungi and animals.
273
00:23:27,060 --> 00:23:30,245
New Jersey was once a state
with the highest number of
274
00:23:30,282 --> 00:23:33,364
dangerously polluted
areas in the country,
275
00:23:33,435 --> 00:23:37,009
shameful artifacts of our
technological adolescence.
276
00:23:37,580 --> 00:23:41,886
But then, we partnered with
the trees and the plants...
277
00:23:42,024 --> 00:23:45,838
Poplars naturally
transform trichloroethylenes,
278
00:23:45,875 --> 00:23:49,992
known as TCEs, carcinogenic
solvents that are common
279
00:23:50,054 --> 00:23:54,773
by-products of industry,
into harmless chloride ions.
280
00:23:54,859 --> 00:23:56,552
Simple salts.
281
00:23:56,945 --> 00:24:00,854
Microbiologists discovered
that they could crossbreed two
282
00:24:00,916 --> 00:24:04,750
different species of poplar
trees to enhance their power
283
00:24:04,836 --> 00:24:07,737
to neutralize TCEs.
284
00:24:07,773 --> 00:24:11,212
The extensive planting of
these trees not only rid this
285
00:24:11,282 --> 00:24:14,720
area of its poisonous threats
to human and other life,
286
00:24:15,074 --> 00:24:18,444
but also added to the number
of trees that turn the most
287
00:24:18,491 --> 00:24:22,942
prevalent greenhouse gas,
carbon dioxide, into oxygen.
288
00:24:31,697 --> 00:24:33,697
With our wars
and our lifestyle,
289
00:24:33,897 --> 00:24:36,537
we dumped a lot
garbage on this world.
290
00:24:36,950 --> 00:24:39,220
Not just landmines and IEDs,
291
00:24:39,367 --> 00:24:41,701
but the toxins
from our fossil fuels,
292
00:24:41,779 --> 00:24:44,173
the waste from
our consumer civilization,
293
00:24:44,301 --> 00:24:46,778
nuclear power
plants and weapons.
294
00:24:46,814 --> 00:24:49,957
And the electronic toys that
we discarded at an alarming
295
00:24:50,019 --> 00:24:53,667
rate laden with
lethal heavy metals, lead,
296
00:24:53,732 --> 00:24:56,704
cadmium, beryllium
and other e-wastes.
297
00:24:57,575 --> 00:25:00,514
I have moments of
despair when I try to wrap
298
00:25:00,565 --> 00:25:03,721
my mind around the
enormity of the problem...
299
00:25:04,456 --> 00:25:08,612
But life even provides a
way out of this nightmare.
300
00:25:08,718 --> 00:25:11,657
It's called bioremediation...
301
00:25:11,823 --> 00:25:14,296
See that node at
the intersection?
302
00:25:14,413 --> 00:25:15,767
That's yeast.
303
00:25:15,998 --> 00:25:20,056
Without it, no bread, no beer.
304
00:25:20,581 --> 00:25:23,150
But in this future, we
have used it to clean up
305
00:25:23,187 --> 00:25:24,795
the whole world.
306
00:25:24,889 --> 00:25:27,619
It was a means to
neutralize the most dangerous
307
00:25:27,656 --> 00:25:29,384
garbage we produced.
308
00:25:29,689 --> 00:25:32,444
Yeast captures these
poisons and prevents them from
309
00:25:32,481 --> 00:25:36,039
contaminating the water supply
and the rest of the environment.
310
00:25:36,610 --> 00:25:37,674
Think of it.
311
00:25:38,485 --> 00:25:41,215
Nature offered us
a second chance,
312
00:25:41,286 --> 00:25:43,589
a shot at undoing
the damage done...
313
00:25:46,594 --> 00:25:49,231
But how do we keep
from doing it again?
314
00:25:59,318 --> 00:26:03,594
[INAUDIBLE CHATTER]
315
00:26:05,299 --> 00:26:09,783
What on Earth is designed by humans
to protect the distant future?
316
00:26:10,209 --> 00:26:12,251
We don't have a single
institution that even
317
00:26:12,305 --> 00:26:15,683
acknowledges the long-term
danger we pose to ourselves,
318
00:26:15,766 --> 00:26:18,870
let alone one
designed to plan for it.
319
00:26:18,906 --> 00:26:21,876
Our time horizon looms
three months from now,
320
00:26:21,912 --> 00:26:25,131
or four years, the
corporate balance sheet,
321
00:26:25,193 --> 00:26:27,018
the next election.
322
00:26:27,210 --> 00:26:30,872
But science is telling us that
life's time scale measures in
323
00:26:30,950 --> 00:26:33,030
the billions of years.
324
00:26:33,168 --> 00:26:35,702
How do we maintain
awareness of the continuity
325
00:26:35,738 --> 00:26:36,893
of life's past,
326
00:26:36,998 --> 00:26:40,085
and our personal role
in being a link to its future,
327
00:26:40,174 --> 00:26:42,905
so that it has
operational consequences?
328
00:26:43,314 --> 00:26:48,846
Science, as of now, has no means
of making us wise and far-sighted.
329
00:26:49,472 --> 00:26:51,063
That's up to us.
330
00:26:54,433 --> 00:26:58,225
How many have lost the
battle that we fight now?
331
00:26:59,026 --> 00:27:02,760
How many worlds lie buried
beneath the surface of this one?
332
00:27:03,390 --> 00:27:05,090
Maybe we'll never know.
333
00:27:05,203 --> 00:27:09,628
But here at this fair, there's
a pavilion where long-dead
334
00:27:09,711 --> 00:27:13,071
civilizations come
roaring back to life...
335
00:27:14,139 --> 00:27:16,639
I know of one lost
world that flourished for
336
00:27:16,676 --> 00:27:18,281
thousands of years.
337
00:27:18,324 --> 00:27:20,492
Their accomplishments were many.
338
00:27:20,657 --> 00:27:23,759
They left behind a written
language that no one has ever
339
00:27:23,795 --> 00:27:25,696
been able to decipher.
340
00:27:25,809 --> 00:27:28,857
We have yet to discover
a clue that could explain
341
00:27:28,927 --> 00:27:30,473
why they vanished.
342
00:27:30,589 --> 00:27:34,025
They are just one of
the mysteries of the
343
00:27:34,096 --> 00:27:36,375
Pavilion of Lost Worlds...
344
00:27:52,391 --> 00:27:54,613
TYSON: In 5th century
B.C.E. Greece,
345
00:27:54,713 --> 00:27:57,211
Herodotus,
the father of history,
346
00:27:57,275 --> 00:28:02,052
wrote of the opulent lifestyle of the
Tartessians on the Iberian Peninsula.
347
00:28:02,114 --> 00:28:06,073
Their wealth came from the silver and
gold they extracted from the earth.
348
00:28:06,536 --> 00:28:10,240
They had their own
language, culture, dances,
349
00:28:10,299 --> 00:28:13,189
music, and yet
very little survives of them
350
00:28:13,267 --> 00:28:16,860
besides a handful of
trinkets of marvelous design.
351
00:28:17,426 --> 00:28:21,701
Theirs is one of the lost
worlds of planet Earth...
352
00:28:35,086 --> 00:28:38,094
As are the nameless people,
who lived in what is now
353
00:28:38,131 --> 00:28:41,671
Nigeria, in a
place called "Nok."
354
00:28:42,372 --> 00:28:46,062
For 1,500 years, their
engineers were on the cutting
355
00:28:46,131 --> 00:28:49,952
edge of technology, forging
new ways to work with iron.
356
00:28:51,046 --> 00:28:52,965
Just as with the Tartessians,
357
00:28:53,045 --> 00:28:55,947
they had their own
unique civilization.
358
00:28:56,015 --> 00:28:59,353
All that remains of them
are some ceramic statues in a
359
00:28:59,458 --> 00:29:03,882
style unlike any other and
an inscription on this wall.
360
00:29:04,444 --> 00:29:07,883
Everything else about them
has been devoured by time...
361
00:29:08,415 --> 00:29:12,744
But inside this pavilion,
these lost civilizations live,
362
00:29:12,919 --> 00:29:15,925
they breathe,
they dance again...
363
00:29:16,734 --> 00:29:20,110
Of them all, which one to
bring back to life tonight?
364
00:29:21,389 --> 00:29:22,305
I know...
365
00:29:22,342 --> 00:29:24,470
the Indus Valley civilization
366
00:29:24,507 --> 00:29:27,511
at its high point
in 2,500 B.C.E.,
367
00:29:27,774 --> 00:29:32,588
when it was a vast network of cities
with a population of five million.
368
00:29:33,797 --> 00:29:36,405
Come with me to
their most famous city,
369
00:29:36,478 --> 00:29:38,349
Mohenjo Daro...
370
00:30:06,184 --> 00:30:09,559
[CLUCKING]
371
00:30:25,144 --> 00:30:29,086
[CHANTING IN NATIVE LANGUAGE]
372
00:30:30,305 --> 00:30:34,325
We don't know how this pool
called the "great bath" was used,
373
00:30:34,596 --> 00:30:39,695
but we do know that this
city was planned and laid out,
374
00:30:39,805 --> 00:30:42,657
while the Greeks
wandered in small tribes,
375
00:30:42,741 --> 00:30:45,176
just a band of
itinerant merchants...
376
00:30:47,869 --> 00:30:50,303
[RUNNING WATER]
377
00:30:50,903 --> 00:30:52,367
Wait...
378
00:30:52,419 --> 00:30:53,285
Do you hear that?
379
00:30:53,352 --> 00:30:54,485
Listen...
380
00:30:54,522 --> 00:30:56,190
[TOILET FLUSH]
381
00:30:56,256 --> 00:31:00,962
Yes, the Indus Valley people
of nearly 5,000 years ago
382
00:31:01,107 --> 00:31:03,425
installed modern
plumbing in their homes!
383
00:31:03,862 --> 00:31:07,571
Something most people didn't
have until the late 20th century.
384
00:31:08,182 --> 00:31:12,021
And, they mastered other
forms of hydro-engineering,
385
00:31:12,276 --> 00:31:15,246
underground pipes,
sewage management,
386
00:31:15,530 --> 00:31:17,668
kitchens with running water.
387
00:31:26,544 --> 00:31:29,939
They had dentistry, and
standardized measures for the
388
00:31:29,976 --> 00:31:31,647
tiniest quantities.
389
00:31:31,852 --> 00:31:35,272
They were great sculptors
who introduced natural reality
390
00:31:35,356 --> 00:31:38,055
into the three dimensional
depiction of the human form.
391
00:31:45,756 --> 00:31:48,664
They had writing, and
hung signs on buildings,
392
00:31:48,701 --> 00:31:51,412
but we have yet to
understand their meaning.
393
00:31:52,984 --> 00:31:57,986
They used dice to play games
of chance and wiled away their
394
00:31:58,023 --> 00:32:00,021
evenings with board games.
395
00:32:00,596 --> 00:32:03,038
And there's something
curious about them.
396
00:32:03,093 --> 00:32:05,930
They left no depictions
of war in their art,
397
00:32:06,070 --> 00:32:08,238
nor large caches of weapons.
398
00:32:08,564 --> 00:32:12,503
There's no evidence that their
meticulously planned cities
399
00:32:12,671 --> 00:32:15,677
were ever burned to the
ground by enemy invaders.
400
00:32:16,214 --> 00:32:17,787
In the study of
their contemporaries,
401
00:32:17,853 --> 00:32:22,142
and human history generally,
this is most unusual.
402
00:32:29,371 --> 00:32:34,666
This figurine is one of the only
surviving remnants of their civilization.
403
00:32:35,412 --> 00:32:40,246
And yet, they were
as real as we are.
404
00:32:40,396 --> 00:32:43,602
Their moment as
real as ours...
405
00:33:03,437 --> 00:33:09,715
♪ ♪
406
00:33:10,261 --> 00:33:12,922
Just beyond the
Pavilion of Lost Worlds,
407
00:33:12,987 --> 00:33:14,353
there's another one...
408
00:33:14,469 --> 00:33:17,139
The pavilion of
worlds still to come...
409
00:33:17,331 --> 00:33:20,134
We've launched five
ships to the stars.
410
00:33:20,201 --> 00:33:23,071
They are backward
and primitive craft, moving,
411
00:33:23,108 --> 00:33:25,809
compared to the immense
interstellar distances,
412
00:33:25,908 --> 00:33:28,784
with the
slowness of a race in a dream.
413
00:33:29,366 --> 00:33:32,170
But in the future
we will do better.
414
00:33:32,354 --> 00:33:35,473
We've located and begun to
study thousands of worlds that
415
00:33:35,582 --> 00:33:39,659
orbit other suns, all this
from our remote confinement in
416
00:33:39,769 --> 00:33:44,221
the suburbs of the galaxy, all
this in just 400 years since
417
00:33:44,335 --> 00:33:47,107
Galileo's first look
through a telescope.
418
00:33:47,658 --> 00:33:51,525
The Milky Way has
hundreds of billions of stars,
419
00:33:51,634 --> 00:33:53,996
and likely even more worlds.
420
00:33:54,155 --> 00:33:56,200
Somewhere in the vastness,
421
00:33:56,236 --> 00:34:00,149
there may be an
Encyclopedia Galactica,
422
00:34:00,509 --> 00:34:06,427
a reference work that includes
all the worlds of all the stars.
423
00:34:21,756 --> 00:34:23,723
♪ ♪
424
00:34:23,760 --> 00:34:26,799
TYSON: Our vague perceptions
and inferences of thousands of
425
00:34:26,836 --> 00:34:30,699
exoplanets have given way
to a more intimate degree of
426
00:34:30,750 --> 00:34:33,984
knowledge of some
half a million worlds.
427
00:34:34,560 --> 00:34:37,196
Imagine a huge
galactic database,
428
00:34:37,342 --> 00:34:40,478
a Library of Alexandria
for the whole universe...
429
00:34:40,555 --> 00:34:45,895
a means for our small world to attain
some measure of cosmic citizenship...
430
00:34:46,588 --> 00:34:48,956
Imagine an
Encyclopedia Galactica
431
00:34:49,055 --> 00:34:51,559
that is constantly
evolving and growing,
432
00:34:51,596 --> 00:34:53,680
an open
source where the knowledge of
433
00:34:53,717 --> 00:34:57,454
the worlds of the universe
would be available to all.
434
00:35:05,667 --> 00:35:10,856
These guys, who call
themselves "We Who Survived,"
435
00:35:10,917 --> 00:35:14,901
are only a little more
advanced than we are.
436
00:35:15,319 --> 00:35:17,186
If we could only
communicate with them,
437
00:35:17,276 --> 00:35:21,857
maybe they could tell us how they
got through their stormy adolescence.
438
00:35:39,145 --> 00:35:41,616
And these guys, too...
439
00:35:41,780 --> 00:35:44,871
"We Who Flower in Darkness."
440
00:36:14,244 --> 00:36:17,949
What about a civilization far
more advanced than ours?
441
00:36:18,166 --> 00:36:20,949
There may be worlds with
engineering on a scale that
442
00:36:20,986 --> 00:36:23,328
dwarfs our
proudest achievements.
443
00:36:23,667 --> 00:36:26,715
There may be cultures that
disassemble other planets in
444
00:36:26,795 --> 00:36:30,455
their system and reassemble
them around their world to
445
00:36:30,492 --> 00:36:34,976
make a ring, buying them
more room and more resources.
446
00:36:40,066 --> 00:36:42,471
Well, their
future looks bright.
447
00:36:51,037 --> 00:36:55,066
But the poor beings of these
worlds have only a 1 in 3 chance
448
00:36:55,103 --> 00:36:56,622
of making it through.
449
00:36:58,855 --> 00:37:00,244
What is that?
450
00:37:03,094 --> 00:37:07,341
Could this be their attempt to solve
a solar system-wide energy crisis?
451
00:37:08,924 --> 00:37:10,825
They depend on solar power,
452
00:37:10,892 --> 00:37:13,658
but their star is
only a feeble red dwarf,
453
00:37:13,695 --> 00:37:16,057
incapable of
providing direct energy
454
00:37:16,094 --> 00:37:18,796
for their
multi-planetary civilization.
455
00:37:19,922 --> 00:37:22,719
Maybe, they've used
up all their fuel.
456
00:37:22,812 --> 00:37:25,845
So, they're building a
shell to surround their star
457
00:37:25,935 --> 00:37:28,509
and harvest every
photon of sunlight.
458
00:37:43,379 --> 00:37:45,535
How would we frame
our own entry in the
459
00:37:45,572 --> 00:37:48,412
Cosmic Encyclopedia
of Possible Worlds?
460
00:37:48,754 --> 00:37:52,544
Perhaps, even now,
someone has written it for us,
461
00:37:52,707 --> 00:37:56,503
a planetary dossier garnered
from our television broadcasts
462
00:37:56,567 --> 00:37:59,230
or from some
discreet survey mission.
463
00:37:59,901 --> 00:38:03,064
They might summon up the index
of blue worlds in our province
464
00:38:03,112 --> 00:38:07,088
of the Milky Way, until they
came to the listing for Earth.
465
00:38:07,921 --> 00:38:10,344
What would they think of us?
466
00:38:18,230 --> 00:38:21,351
We have long watched the stars
and mused about whether there
467
00:38:21,389 --> 00:38:24,697
are other beings who
think and wonder about us.
468
00:38:25,347 --> 00:38:29,028
In a cosmic setting vast
and old beyond ordinary human
469
00:38:29,065 --> 00:38:32,156
understanding,
we're a little lonely.
470
00:38:37,274 --> 00:38:40,391
50%, huh? That's all?
471
00:38:43,313 --> 00:38:46,132
I know a way we
can up those odds...
472
00:38:47,733 --> 00:38:51,782
It's about taking what science
is telling us to heart.
473
00:39:00,442 --> 00:39:04,450
[OVERLAPPING CHATTER]
474
00:39:04,920 --> 00:39:08,471
This is the dream of Cosmos.
475
00:39:08,851 --> 00:39:12,492
And this is the story that
science is telling us...
476
00:39:36,317 --> 00:39:40,626
Our universe began,
some 14 billion years ago,
477
00:39:41,484 --> 00:39:46,260
when matter, energy, time
and space burst forth...
478
00:39:47,823 --> 00:39:52,547
And the darkness was cold,
and the light was hot and the
479
00:39:52,609 --> 00:39:56,706
union of these extremes
gave shape to matter and
480
00:39:56,781 --> 00:39:58,566
there was structure...
481
00:40:02,918 --> 00:40:06,122
There were great stars,
hundreds of times the mass of
482
00:40:06,159 --> 00:40:11,209
our Sun and these
stars exploded,
483
00:40:11,680 --> 00:40:15,608
sending oxygen and carbon
to the worlds to come and
484
00:40:15,681 --> 00:40:18,988
adorning them with
gold and silver...
485
00:40:22,326 --> 00:40:28,045
And in their deaths, the stars
became darkness and the weight
486
00:40:28,082 --> 00:40:31,155
of their darkness
vanquished the light...
487
00:40:34,319 --> 00:40:40,493
And new stars were born from
their death shrouds and they
488
00:40:40,530 --> 00:40:43,165
began to dance with each other.
489
00:40:55,473 --> 00:40:58,379
And now there were galaxies...
490
00:41:14,551 --> 00:41:17,191
Galaxies make stars...
491
00:41:22,109 --> 00:41:24,949
[GASPING]
492
00:41:29,348 --> 00:41:32,020
[CHEERING AND APPLAUSE]
493
00:41:36,153 --> 00:41:38,992
TYSON: Stars make worlds...
494
00:41:44,292 --> 00:41:47,764
And a world made life...
495
00:41:50,000 --> 00:41:53,128
And there came a time when
heat shot out from the molten
496
00:41:53,181 --> 00:41:57,691
heart of this world, and it
warmed the waters and the
497
00:41:57,728 --> 00:42:00,469
matter that had rained
down from the stars came
498
00:42:00,547 --> 00:42:07,541
alive and that star stuff
became aware...
499
00:42:12,328 --> 00:42:15,156
And that life was
sculpted by the Earth,
500
00:42:15,193 --> 00:42:18,183
and its struggles with
the other living things...
501
00:42:21,026 --> 00:42:26,109
And a great tree grew up,
one with many branches,
502
00:42:26,250 --> 00:42:29,336
and six times it
was almost felled...
503
00:42:29,416 --> 00:42:35,407
But still, it grows and we
are but one small branch...
504
00:42:35,959 --> 00:42:39,039
One that cannot
live without its tree.
505
00:42:41,057 --> 00:42:44,997
And slowly, we learned to
read the book of nature...
506
00:42:46,004 --> 00:42:50,080
To learn her laws...
To nurture the tree...
507
00:42:50,512 --> 00:42:55,246
To become a way for
the cosmos to know itself
508
00:42:58,142 --> 00:43:01,483
and to return to the stars.
41792
Can't find what you're looking for?
Get subtitles in any language from opensubtitles.com, and translate them here.