Human Body: Pushing the Limits Page #5

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dreams recur throughout history,

and the meaning

of these night visions

has always fascinated us.

compiled a book of dreams.

lt listed familiar dream images

and offered interpretations

of them.

DR. PARKl NSON :

Dreams were a sort of moment

when the boundaries between

this world and the next world

seemed very thin.

But for many of the dreams

in the dream book'

it's clearly a search for

what will happen in the future.

NARRATOR:
Now we explain

bad dreams as useful

in helping us conquer deep,

often universal fears,

just as we see good dreams

as fulfilling our fantasies.

Sights seen in dreams

may well connect us

to our ancestors' instincts

and fears --

yet another example

of how our sense of vision

has always dominated our lives.

Our visual system shows

better than any other

how intricately our bodies work.

Throughout history, it has

supercharged human development'

and it could allow us

to take charge of our future.

Sight dates back

to our deep past --

unsung, unnoticed,

a faculty we take for granted.

But when revealed, sight shows

how everyday life depends on it.

Pushed to the limits, we can see

the superhero inside us all,

the human body.

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