But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
Science news of the day thread.
Re: Science news of the day thread.
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Re: Science news of the day thread.
Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
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Re: Science news of the day thread.
I snipped large sections of this article.
In summary, kids, we're going to Mars to mine for minerals to make bonanzas of quillions of dollars to fill our pockets... and you taxpayers are going to pay for it!!!
Yeah, suuuure, we're looking for happy hope of a habitable planet for you all to inhabit later when Earth is inhabitable, mwahahahha, you BUY that crap everytime we pay our scientists to spin it, you love it!
In summary, kids, we're going to Mars to mine for minerals to make bonanzas of quillions of dollars to fill our pockets... and you taxpayers are going to pay for it!!!
Yeah, suuuure, we're looking for happy hope of a habitable planet for you all to inhabit later when Earth is inhabitable, mwahahahha, you BUY that crap everytime we pay our scientists to spin it, you love it!
Gawdzilla wrote:"It's NOT dead, Jim!"
Large parts of Mars ‘could sustain life’
Posted by Paul Sutherland on December 12th, 2011
Large areas of Mars could be home to primitive alien life, space scientists have concluded. ...........
The research, by astrobiologists in Australia, concluded that most of the habitable parts of the smaller Mars lie underground. ..................
A NASA nuclear-powered spaceprobe, Mars Science Laboratory, or Curiosity, is currently en route to Mars for the next stage in the quest to find if the planet has ever been home to life. It will dig deep into the soil to look for chemicals that could be the remains of long-dead martian life.
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Re: Science news of the day thread.
Nerds.Ronja wrote:Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
They found fish bones in the middens.
Re: Science news of the day thread.
Oh derrrr The oldest shell middens in the world are only like about 140,000 years old. it says so on wikipediaGawdzilla wrote:Nerds.Ronja wrote:Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
They found fish bones in the middens.
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Re: Science news of the day thread.
Yep, shell middens. But I used midden to include dumps and general piles of refuse. I'm lazy that way.Ele wrote:Oh derrrr The oldest shell middens in the world are only like about 140,000 years old. it says so on wikipediaGawdzilla wrote:Nerds.Ronja wrote:Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
They found fish bones in the middens.
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Re: Science news of the day thread.
I filed my science report. See my signature. Also includes my method of reading chemistry articles.
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Re: Science news of the day thread.
Back in July
http://www.sciencedaily.com/releases/20 ... 190044.htm
http://www.sciencedaily.com/releases/20 ... 190044.htm
Minority Rules: Scientists Discover Tipping Point for the Spread of Ideas
ScienceDaily (July 25, 2011) — Scientists at Rensselaer Polytechnic
Institute have found that when just 10 percent of the population holds
an unshakable belief, their belief will always be adopted by the
majority of the society. The scientists, who are members of the Social
Cognitive Networks Academic Research Center (SCNARC) at Rensselaer,
used computational and analytical methods to discover the tipping
point where a minority belief becomes the majority opinion. The
finding has implications for the study and influence of societal
interactions ranging from the spread of innovations to the movement of
political ideals.
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Re: Science news of the day thread.
Zplains religion nicely, don't it?
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Re: Science news of the day thread.
Better guess... fish scales and bones in detritus piles of prehistoric habitat.Ronja wrote:Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
And before fish hooks, they must have caught them by hand, or net, or done spear fishing.
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Re: Science news of the day thread.
Yep, garbage heaps in caves is a good place to look a paleo-diets. As for fishing, we don't know how long cormorants have been kept, but we have found cord dating wayyyyyy back, so nets are a candidate, as is spear fishing. They could have also damned up pools at high tide and waited for the water to drain away. At low tide you collect the fish, and open the pool up again.Svartalf wrote:Better guess... fish scales and bones in detritus piles of prehistoric habitat.Ronja wrote:Wild guess: something in bone or teeth chemical composition changed, and this can be analyzed in fossils? (no I did not google that, so I may be miles off the mark)Ele wrote:But...but... but how do they know that people ate fish 1.9 million years ago if the evidence of fish hooks only dates to 42,000 years ago????Gawdzilla wrote:Scientists say fish hooks go back 42,000 years
Fish appeared in the human diet about 1.9 million years ago.
And before fish hooks, they must have caught them by hand, or net, or done spear fishing.
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Re: Science news of the day thread.
The oldest net in Europe was found in a bog in Finland. It was woven from the bark..I think of willows. Young trees.
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Atomic man, embossed on hues of
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Atomic man, embossed on hues of
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Scratch his chin as if to muse that
All this winning meant to lose
Though he slaved and hate his dues
Here he was, no time to choose...Grass for Blades by Wigwam
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Re: Science news of the day thread.
Native Americans used aspen bark to weave baskets.Tero wrote:The oldest net in Europe was found in a bog in Finland. It was woven from the bark..I think of willows. Young trees.
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Re: Science news of the day thread.
Lime (Linden) was used for ropes/twines/nets in Europe too. The inner bark has extremely long fibres that, after a short period of retting (rotting) are easy to twist into usable cord. The names Lime and Linden come from the use of the fibres to make "line".Tero wrote:The oldest net in Europe was found in a bog in Finland. It was woven from the bark..I think of willows. Young trees.
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Re: Science news of the day thread.
I posted a chemistry and biochemistry concept at Ratskep. It did not go far. Cali did not comment.
I put it in my blog that I almost never use:
http://esatero.blogspot.com/2012/01/homochirality.html
I put it in my blog that I almost never use:
http://esatero.blogspot.com/2012/01/homochirality.html
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Atomic man, embossed on hues of
Money greens that swell and ooze, will
Scratch his chin as if to muse that
All this winning meant to lose
Though he slaved and hate his dues
Here he was, no time to choose...Grass for Blades by Wigwam
http://esabirdsne.blogspot.com/
Atomic man, embossed on hues of
Money greens that swell and ooze, will
Scratch his chin as if to muse that
All this winning meant to lose
Though he slaved and hate his dues
Here he was, no time to choose...Grass for Blades by Wigwam
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