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01x11 - Shadows of Forgotten Ancestors

Episode transcripts for the TV show, "Cosmos: Possible Worlds". Aired: March 9 – April 20, 2020.*

01x11 - Shadows of Forgotten Ancestors

Post by bunniefuu »

TYSON: If an extraterrestrial

scouting party were to survey Earth,

what would they make of us?

Who are we?

Are we as a species capable

of fundamental change?

Or is there something in our

DNA that will determine our fate?

(groaning and moaning)

(speaking in native language)

TYSON: Do the dead hands

of forgotten ancestors impel us

in some direction

beyond our control?

Can we free our children from

the demons that torment us and

haunt our species?

Can we be trusted

with our own future?

Since the civilization

of Ancient Persia,

and probably even before,

we've wondered if there's

something about human nature that

contains the seeds of our destruction.

(theme music plays)

♪♪

♪♪

Series brought to you by Sailor420

!!! Hope you enjoy the TV-Series !!!

TYSON: If there are places on

Earth that are sacred to our species,

surely this must be one of them.

The earliest site we know of where

fire was tamed for human needs.

More than a million

years ago, here,

in what is today known as

Wonderwerk Cave in South Africa,

our ancestors gathered and first

kindled the hearth of human culture.

Every human being alive

today on Earth is a member

of the species h*m* sapiens.

The so-called "wise ones."

And our forbearers here

tonight are h*m* Erectus,

"those who stood up."

They're not yet us, but

we carry them within us.

We don't know much about them.

We think they took care of each

other when they became old or ill.

We know they were

skilled toolmakers.

It was around fires such as this

one that we began to cook our food.

To tell each other stories.

And to create a shared

learned identity with our kin.

Had life and humans first

evolved only hundreds or even

thousands of years ago,

we might know most of what's

important about our past and

how we came to be the way we are.

But instead, our species is

hundreds of thousands of years old.

h*m* Erectus, a

couple of million.

Primates, tens of millions.

Mammals, more than 200 million.

And life, about four

billion years old.

All but a few of our ancestors

are wholly unknown to us,

and we sift through the

Earth to find the bits of ash and

animal bone that are the only

surviving evidence of our humanity.

We only began living

with a future in mind,

consciously leaving a detailed

record of who we were and what

we believed around

5,000 years ago.

And yet, one thing remained

constant from h*m* Erectus to

the greatness of Ancient Persia.

Our fascination with fire.

And this was true

here at Persepolis,

a magnificent complex built

by the Persian emperors of the

sixth century BCE,

when Persia was the

only superpower on Earth.

These great kings worshipped

a God named Ahura Mazda,

whose origins in

time are lost to us.

His prophet was Zoroaster.

Every Zoroastrian temple

was consecrated to fire.

It played the central role

in Zoroastrian worship,

symbolizing both the purity

of their God and the light

of the illuminated mind.

Tending an eternal flame

through the centuries was one

of the few ritual obligations

of the Zoroastrians.

They chose this first

truly human achievement,

the domestication of fire,

as the focal point

of their worship.

The God Ahura

Mazda didn't ask much.

He didn't want

your ritual sacrifices,

he didn't want your money.

All he asked of human

beings was good thoughts,

good words and good deeds.

But for some reason,

most people couldn't fulfill

these simple requests.

Often they had bad

thoughts and said evil things,

and some of them committed

crimes that were evil.

Why?

It was all because of Ahura

Mazda's polar opposite,

Angra Mainyu.

This is where the

devil was born.

From his short

horns, to his hooves,

Zoroastrianism was the

dominant religion from Greece

to India for 1,000 years.

No wonder they were so

influential on the religions

that came after.

For the Zoroastrians,

all the evil in the world,

the crimes committed by humans,

as well as the catastrophes of

natural disasters and disease,

were the results of Angra

Mainyu's unceasing mischief.

Their God, Ahura Mazda,

looked to human beings

to help him defeat the devil.

Any person by their actions

could tip the scales of the

whole future of the universe in

either the direction of good or evil.

In this pre-scientific world,

when evil reared its ugly head,

what better way to understand

it than demonic possession?

(barking)

This is not a story

of good and evil,

of the struggle between

a God and a demon.

It's actually just a story

of a predator and its prey.

In this case, the predator

is microscopic and it's been

incubating in its victim.

Diseased microbes can

be formidable predators.

Not only attacking

and eventually k*lling,

but also taking

over their hosts.

Changing their behavior to spread

their microorganisms to other hosts.

We're in the

bloodstream of that poor,

unlucky dog, who,

through no fault of his own,

just because of a chance

encounter with a rabid bat,

now finds himself the main

character in a zombie horror story.

Those b*ll*ts are

the rabies virus.

On being injected into the

bloodstream of this placid,

people-loving dog, they

head to the dog's brain,

right to the limbic system,

where the control

buttons for rage reside.

By attacking the nerve cells,

the rabies virus is

converting the poor animal

into a marauding, snarling,

vicious predator without

loyalties or love for anyone.

(baby crying)

Rabid animals can be fearless.

Now that the limbic

system has been conquered,

another detachment of rabies

viruses are dispatched to the

saliva manufacturing

machinery in the dog's throat.

Their assignment is

to put it into overdrive,

while paralyzing the

nerves for swallowing.

This maximizes the

chances for the infected saliva

to leave the dog and

invade the next target.

But how is such a degree

of tactical coordination

possible by a virus?

How can a virus know which

part of another creature's

brain is the seat of anger?

We ourselves didn't figure

that out until very recently.

This is the power of

evolution by natural selection.

Given enough time,

a random mutation,

no matter how

highly specialized

Say, a virus' ability to

paralyze a victim's throat,

will take hold.

If it enhances the

virus' chance of survival,

it will be passed on.

All it needs in every

generation is a victim to

carry the disease.

Keeping that wicked flame alive.

The transformation from

the family guardian to the

ferocious wild-eyed

demon is complete.

The dog is furious,

although he has no idea why.

(speaking in native language)

A helpless pawn of

the viruses within him,

he can't resist the

impulse to attack.

If the attack is successful,

the viruses in the

dog's saliva will enter the

bloodstream of the victim

through the lesion or laceration.

And then, they'll set about

taking over this new victim.

The rabies virus is a

brilliant manipulator.

It knows its victims and

how to pull their strings.

It coordinates its attack,

circumventing defenses,

infiltrating, outflanking,

accomplishing a coup d'état

within its prey and turning

the most gentle among us into

the most violent.

We are at the mercy

of unseen forces.

Viruses, microbes,

hormones, our very own DNA.

Where does the programming

end and free will begin

(buzz)

If it ever does at all?

TYSON: Do honeybees

have free will?

When a honeybee dies, it

releases a special chemical.

It's a death pheromone

that has a characteristic odor,

signaling its fellow bees

to remove it from the hive.

The death pheromone

is oleic acid.

What happens if a perfectly

healthy bee is dabbed with a

drop of oleic acid?

Then, no matter how

hearty it might be,

it's carried, kicking

and screaming,

out of the hive by

oblivious pallbearers.

Do the bees understand the

danger of infection from corpses

decomposing in the hive?

Are they aware of the connection

between death and oleic acid?

Do they have any

idea what death is?

Do we?

In the tens of millions

of years of collective bee

experience, there's never

been a way that a bee could give

off oleic acid

other than by dying.

So, for bees, there's

no ambiguity here.

Scent of oleic acid

always means dead bee.

There's been no reason for

evolution to develop a greater

sense of nuance about it.

Elaborate, contemplative

machinery is unnecessary to

assess the situation.

Bee perceptions are

adequate for bee needs.

Something similar

is true for moths.

This poor guy has no

idea what the problem is.

There have been moths

for 190 million years,

and clear glass windows

for only about 1,000.

No wonder there isn't a voice

in the moth's brain that tells it:

if you keep bumping

into something,

even if you can't see it,

you should try to fly around it.

Until very recently

on nature's time scale,

there were no penalties for

moths without any such inner voice.

Moths evolved in a world

without glass windows.

What then are we to

conclude when we find similar,

very simple behavioral

programs unsupervised by any

apparent central executive

control in so-called

"higher animals"?

When a goose egg

rolls out of the nest,

does the mother goose who

has been incubating her eggs

for weeks understand the importance

of retrieving one that has rolled away?

Can she tell if one is missing?

In fact, she will retrieve almost

anything placed near the nest.

Including ping pong

ba*ls and beer bottles.

The value of this behavior

for goose genes is clear.

She understands something,

but by our standards,

not very much.

Does a beetle have any emotions?

Any consciousness?

Or is it only a subtle robot

made of organic matter?

A carbon-based automaton

packed with sensors and actuators,

programs and subroutines,

all ultimately manufactured

according to its

DNA instructions?

We might be willing to grant

the proposition that insects

or even geese are

mindless machines.

But what about us?

What, if anything, do

the other animals think?

What might they have to say to

us if we could only communicate?

When we observe them carefully,

don't we find evidence of

spontaneous decision-making?

When we consider the genetic

kinship of all life on Earth,

is it plausible that humans

have immortal souls and all

other animals do not?

In nature, the goose's egg

retrieval program is adequate.

But when the goslings hatch,

and especially just before

they're ready to leave the nest,

the mother is delicately

attuned to the nuances of

their sounds, looks and smells.

She has learned

about her chicks.

Now she knows her own

very well and would not confuse

them with an alien object, or

even someone else's goslings,

however similar they may

seem to a human observer.

Consider our friend

the beetle again.

It can see, walk,

run, smell, taste,

fly, mate, eat,

excrete and lay eggs.

It has internal programs for

accomplishing these functions

contained in a brain with

a mass of only a milligram,

and specialized,

dedicated organs for

carrying the programs out.

But is that all?

Is there anyone in charge?

Anyone inside?

Anyone controlling

all these functions?

And what do we

mean, by "anyone"?

Or is the beetle just the sum

of its functions and nothing else,

with no executive

authority, no insect soul?

A stowaway.

See how it's

triangulating on me,

trying to get a sense

of this immense,

looming three-dimensional

monster before it?

The fly strides

along, unconcernedly,

until you lift a rolled newspaper

and it quickly buzzes off.

We know this behavior is

wired into the fly's neurons.

(buzz)

Some scientists get

nervous if you ask about the

consciousness of a housefly.

On the inside,

within its tiny brain,

does it have no perception

of making choices?

No awareness of

its own existence?

Not a milligram's worth

of self-consciousness?

Not a hint of hope

for the future?

Not even a little satisfaction

at a day's work well done?

If its brain is one

millionth the mass of ours,

shall we deny it one

millionth of our feelings

and our thoughts?

And if, after carefully

weighing such matters,

we insist it is

still only a robot,

how sure are we that this

judgment doesn't apply to us as well?

What is distinctly human?

Is there anything

that's ours alone?

TYSON: Would our imaginary

extraterrestrial observer

think that there's anything we

do that distinguishes us from

every other living

thing on Earth?

Something that all

or almost all of us,

of every culture

throughout history,

have done and still do?

Something that no

other animal does?

Plato was one of the earliest

commentators to define

what is human.

He declared, "Man is

a featherless biped."

When news of Plato's definition

reached the philosopher Diogenes,

he brought a plucked

chicken to Plato's academy,

asking the assembled

scholars to salute Plato's man.

(laughter)

Plato's protégé, Aristotle,

took another crack at it.

He said, "Man

is a social animal.

Man is a political animal."

But ants,

bees and termites

have much better organized and much

more stable social structures than we have.

The 16th century French

philosopher Michel de Montaigne wrote,

"As to fidelity, there is no animal in

the world so treacherous as man."

But he never dated a firefly.

You know how fireflies blink

on and off to attract a female?

Well, some males sabotage

their fellow fireflies come-on

by adding their own blinks.

It's like hacking a friend's

romantic message to his

girlfriend and turning

it into an insult.

The female gets turned off

and the saboteur now has his

chance with her.

Man, that's cold.

Adam Smith, the 18th

century Scottish philosopher,

wrote in his classic

justification of free

enterprise capitalism that

the propensity to barter,

to exchange one

thing for another,

is to be found in no

other race of animals.

Is this true?

Chimpanzees are fond of trade

and understand the idea very well.

Food for sex, a

back rub for sex,

betrayal of the leader for sex,

"spare my baby's life" for sex.

Virtually anything for sex.

Okay, but we're the only

species that makes art, right?

Except this work of art

was created by a bowerbird.

As was this one.

And this one.

We're the only species that

parents their young through

adolescence into adulthood.

Wrong again.

The elephants parent

at least as long as we do.

All right, well, we're the only

species that enslaves and

exploits other animals,

keeping them in captivity.

Tell that to this poor c*ck

of the African savanna.

An emerald wasp is

stalking it to drug and enslave

it in its basement.

The wasp administers a venom

which robs the c*ck of

its will to escape.

Turn on the lights, and

this is one roach that

won't scurry away.

Now the wasp drags

the roach to her lair,

depositing a single egg

on the roach's body

before boarding up the entrance

with rocks and pieces of wood.

The idea is to keep the roach

alive as long as possible so

that its organs

will remain fresh.

The wasp's offspring will

bore into the roach's body and

feast upon it.

When it's full grown,

it will tunnel out of

the roach's grave.

Yeah, but what about

using tools, technology?

Kissing?

♪♪

Could it be that after all,

our species' only real distinction

is our neurotic need to feel special?

Remember this place?

It's the memorial to the broken

branches of the tree of life.

It's mostly filled with the

casualties of environmental

catastrophe and competition that

happened long before we ever got here,

but there is a corridor

that we built ourselves.

What lies beyond are all

those species we ourselves

have rendered extinct.

Could there be some connection

to that widespread delusion of

our separateness

from the rest of nature?

A sharp distinction between

humans and animals is

essential if we are to

bend them to our will,

make them work

for us, wear them,

eat them, experiment on them,

wipe them out entirely without

any disquieting

tinges of guilt or regret.

(thunder)

But we all know that this

carelessness is starting to

catch up with us.

Are we automata, robots,

our destiny written in our

DNA with no

possibility of escape?

Is DNA destiny?

And if it is, does it

have the power to

write epic tales of

heroism and saintliness?

♪♪

TYSON: Okay, just

for argument's sake,

suppose we're nothing

more than the sum total

of our genetic inheritance.

That's not as bad as it sounds.

There are passages in

our DNA that are every bit

as heroic as anything ever

written in any epic saga.

(growl)

The mother is stotting,

deliberately putting her own

life in danger to alert the

herd and buy time for them

so that her offspring and the

rest of the herd can get away.

If this isn't heroism, what is?

And yet, this act of valor is encoded in

the Thomson's gazelle's programming.

Does that make

it any less brave?

She risks being eaten

in order to save her kin.

And that's the key.

Kin selection is that genetic

impulse for self-sacrifice

prevalent throughout the

kingdoms of life, even us.

Skeptical?

Then do this thought

experiment with me.

Imagine trying to

sleep soundly at night,

knowing that your

children are starving,

homeless or gravely ill.

For almost all of us,

this would be unthinkable,

but 16,000 children die

each day of easily preventable

hunger, neglect, or disease.

Children continue to die as we

sleep well and watch this show.

They're far away.

They're not directly

related to us.

Now tell me you don't

believe in the reality

of kin selection.

We will die to protect the

carriers of our DNA and

turn away from the

suffering of those who don't.

Kin selection can inspire

us to die saving a brother,

but it's also the drive

exploited by the demagogue

and the supremacist.

The "us" against "them."

Another thought experiment:

Imagine you're making

the first approach to a

newly discovered planet.

You've used various techniques

to ascertain that this world

supports an astonishing

variety of life-forms.

You want to make contact,

but not with their version of a

scorpion, cobra,

or great white shark.

You want to find the life-form

that's most likely to respond gently,

with empathy and intelligence.

These macaque monkeys

are members of what might

be the most compassionate

species on earth.

This was demonstrated in a

ghastly series of experiments

conducted in the 1960s.

15 macaques were fed only

if they were willing to pull a

chain and electrically shock

an unrelated macaque whose

agony was in plain view

through a one-way mirror.

If they refused to shock

another macaque, they starved.

After learning the ropes,

the monkeys frequently

refused to pull the chain.

In one experiment, only a

small percentage would do so,

while more than two-thirds

preferred to go hungry.

One macaque went without

food for nearly two weeks

rather than hurt its fellows.

Here's the part

that really gets me.

Macaques who had themselves

been shocked in previous

experiments were even

less willing to pull the chain.

The relative social status or

gender of the macaques had

little bearing on their

reluctance to hurt others.

These experiments permit

us to glimpse in non-humans a

saintly willingness to make

sacrifices in order to save others,

even those who

are not close kin.

The heartless selfishness

of the rabies virus,

and the transcendent

empathy of the macaques,

are the extreme

ends of a continuum,

one that we, ourselves, are on.

It was the evolution of

successively larger brains

through the generations of

our ancestors that transformed

human childbirth into an

excruciating experience.

(speaking in native language)

TYSON: Feeling,

in mammals at least,

is mainly controlled by lower,

more ancient

parts of the brain

And thinking, by the higher,

more recently

evolved outer layers.

A rudimentary ability to

think was superimposed on

the preexisting

programmed behaviors.

This is the evolutionary

baggage we carry with us into

the schoolyard,

into the marriage,

into the voting booth,

into the l*nch m*b,

and onto the b*ttlefield.

So, what does that

tell us about our future?

Will it be nothing more than

a series of dreary repetitions,

with no escape for our children?

I know a story

that gives me hope.

It's the saga of a life that

means we can change.

From this distance in time,

it's hard to know

how much of it is true.

It happened a couple

of thousand years ago,

which is a long time to us,

but only about five seconds

ago on the Cosmic Calendar.

The Cosmic Calendar

compresses all of

time into a single year.

I know no better way of

wrapping our heads around the

fact that we are

still very young,

very new to the universe.

January first is the big bang,

and midnight on December 31 on

our cosmic year is this very second.

All of cosmic evolution,

nearly 14 billion years,

compressed into

a single earth year.

Only five Cosmic

Calendar seconds ago,

which represents

about 2,200 years,

much of the world was in

the grip of absolute rulers.

Their armies rampaged

across the planet, bringing

t*rture, r*pe, m*rder,

and mass enslavement

wherever they went.

A young man came out of an obscure

backwater called Macedonia and,

in less than a decade,

carved out an empire that

stretched from the Adriatic to

beyond the Indus river in India.

Along the way, Alexander

the Great crushed

the implacable Persian army.

And at about the same time,

King Chandragupta

conquered all of northern India.

His son, Bindusara, assumed

the throne after his death.

As Bindusara's own

death approached,

he intended to bequeath

his empire to a favored heir.

And legend has

it that another son,

one who had been

rejected by Bindusara,

was so ruthless in his quest

for power that he m*rder*d

every one of his

99 half-brothers.

(screaming)

Dressed in the finery that only

an emperor was entitled to wear,

the hated son stood before his dying

father and declared contemptuously,

"I am your successor now!"

This was Ashoka

And he was just getting started.

TYSON: In the 2nd century

BCE, the Indian emperor Ashoka

initiated a reign of terror known for

its new heights of sadism and cruelty.

When Ashoka's ministers balked

at his command to cut down all

the fruit trees

surrounding his palace,

Ashoka said, "Fine, we'll

cut off your heads instead."

(screaming)

His fiendishness knew no bounds.

Ashoka built a magnificent

palace for his unsuspecting victims.

They did not know until it

was too late that deep inside the

palace were t*rture rooms

designed to inflict the five

most painful ways to die.

It came to be known

as Ashoka's Hell.

But that was not

Ashoka's greatest atrocity.

He now set out to complete

the conquest of India that his

grandfather had begun.

The nation of

Kalinga, to the south,

knew no peace could be

made with such a madman.

They courageously stood

their ground as Ashoka's army

besieged the city.

When they could bear no more,

Ashoka sent his

troops in for the k*ll.

(screaming)

(grunting)

As Ashoka surveyed his triumph,

there was one who

dared to approach him.

MONK: Mighty king, you,

who are so powerful you can

take hundreds of thousands

of lives at your whim.

Show me how

powerful you really are,

give back but one

life to this dead child.

TYSON: Who was this

fearless beggar who dared

to confront Ashoka

with his crimes?

His exact identity

is lost to us,

but we do know that he

was a disciple of Buddha,

then a little known

philosopher who had lived

almost 200 years before.

Buddha preached nonviolence,

awareness and compassion.

His followers renounced

wealth to wander the earth

spreading Buddha's

teachings by their example.

This monk was one of them.

And with his courage and wisdom,

he found the heart

in a heartless man.

Ashoka was never the same.

TYSON: He erected this pillar,

one of many, on the

site of his greatest crime.

Engraved on it was one

of the first edicts of Ashoka.

ASHOKA: All are my children.

I desire for my own children

their welfare and happiness,

and this I desire for all.

TYSON: It wasn't that

Ashoka was violating the

laws of kin selection.

It was that his definition

of who was kin to him had

expanded to include everyone.

He banned the rituals

of animal sacrifice and

hunting for sport.

He established veterinary

hospitals throughout India,

and he counseled his

citizens to be kind to animals.

Ashoka saw to it that wells

were dug to bring water to the

towns and villages.

He planted trees and built

shelters along the roads of

India so that the traveler

would always feel welcome and

animals would have

the mercy of shade.

Ashoka signed peace

treaties with the small

neighboring countries that had once

trembled at the mention of his name.

He would govern India

for another 30 years,

and he used that time to

build schools, universities,

hospitals, even hospices.

He introduced the education of

women and saw no reason why

they could not be

ordained as monks.

He instituted free health

care for all and made sure

that the medicines of the time

were available to everyone.

He decreed that all

religions be honored equally.

He ordered judicial review

of those wrongfully imprisoned

or harshly treated.

The temples and

palaces of Ashoka's reign,

and most of the pillars he

erected throughout India,

were destroyed by

generations of religious fanatics,

outraged by what they

considered to be his godlessness.

But despite their best

efforts, his legacy lives on.

Buddhism became

one of the world's most

influential religious

philosophies.

Ashoka's edicts were

carved in stone in Aramaic,

the language of Jesus,

a couple of hundred

years before his birth.

(echoing)

Ashoka sent Buddhist

emissaries to the Middle East

to teach, compassion,

mercy, humility,

and the love of peace.

Hear that?

This is one of the few temples of

Ashoka that survived the vandals,

a cave in the hills

of Barabar in India.

It's famous for its echo.

The sound waves of my

voice ricochet off the walls until

they're completely absorbed

by the surfaces of objects,

and there's nothing left at all.

But Ashoka's dream is different.

Its echo grows louder

and louder with time.

(baby crying)

Who are we?

You tell me.