Monkeys using rocks?

Monkeys using rocks?

Science

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Texasman

San Antonio Texas

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29 Mar 10

Just watched the "Life" show last week. And it showed some monkeys that use rocks to crack open nuts. Oprah 's comments were that over the centuries the monkeys had learned to use the rocks as tools as they didn't at one time.
My question is..who was there hundreds of thousands of years ago to say they didn't?

F

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29 Mar 10

Originally posted by galveston75
Just watched the "Life" show last week. And it showed some monkeys that use rocks to crack open nuts. Oprah 's comments were that over the centuries the monkeys had learned to use the rocks as tools as they didn't at one time.
My question is..who was there hundreds of thousands of years ago to say they didn't?
Oprah is certainly an authority in this field.

Doug Stanhope

That's Why I Drink

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29 Mar 10

Oprah cured me from my bad aids.

Cape Town

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29 Mar 10

Originally posted by galveston75
My question is..who was there hundreds of thousands of years ago to say they didn't?
Some other monkeys perhaps?
But your real question is "how do we know", or "how does Oprah know". Also, you have combined your question with an erroneous claim about knowledge acquisition.
It is not necessary for there to be a witness to an event for us to know of the event. In fact, witnesses are often not the most reliable form of evidence.

In this particular case, I would say it was probably:
a) a guess, based on the known fact that most monkeys do not do the same, so it is most likely that the practice started in that particular population at some point in time.
b) the known fact that the monkeys evolved from other animals incapable of using rocks.

Texasman

San Antonio Texas

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29 Mar 10

Originally posted by FabianFnas
Oprah is certainly an authority in this field.
I know that. She's simply reading th script given to her...

P
Upward Spiral

Halfway

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29 Mar 10

Originally posted by galveston75
Just watched the "Life" show last week. And it showed some monkeys that use rocks to crack open nuts. Oprah 's comments were that over the centuries the monkeys had learned to use the rocks as tools as they didn't at one time.
My question is..who was there hundreds of thousands of years ago to say they didn't?
Never mind that, can you explain to me why anyone would watch Oprah?

Texasman

San Antonio Texas

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30 Mar 10

Originally posted by Palynka
Never mind that, can you explain to me why anyone would watch Oprah?
She is the commentator on the new National Geographic show "Life".