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Showing posts with label Human Evolution. Show all posts
Showing posts with label Human Evolution. Show all posts

31 December 2010

Neanderthals cooked and ate plants and vegetables

When will evolutionists finally realize that there were no "primitive men"?


NEANDERTHAL Hunter, gatherer, vegetarian masterchef?

Neanderthals cooked and ate plants and vegetables, a new study of Neanderthal remains reveals.

Researchers in the US have found grains of cooked plant material in their teeth.

The study is the first to confirm that the Neanderthal diet was not confined to meat and was more sophisticated than previously thought.

The research has been published in the Proceedings of the National Academy of Sciences.

The popular image of Neanderthals as great meat eaters is one that has up until now been backed by some circumstantial evidence. Chemical analysis of their bones suggested they ate little or no vegetables.

This perceived reliance on meat had been put forward by some as one of the reasons these humans become extinct as large animals such as mammoths declined due to an Ice Age.

But a new analysis of Neanderthal remains from across the world has found direct evidence that contradicts the chemical studies. Researchers found fossilised grains of vegetable material in their teeth and some of it was cooked.

Although pollen grains have been found before on Neanderthal sites and some in hearths, it is only now there is clear evidence that plant food was actually eaten by these people.

Continue reading the main story

Start Quote

We have found pollen grains in Neanderthal sites before but you never know whether they were eating the plant or sleeping on them or what”

End Quote Professor Alison Brooks George Washington University

Professor Alison Brooks, from George Washington University, told BBC News: "We have found pollen grains in Neanderthal sites before but you never know whether they were eating the plant or sleeping on them or what.

"But here we have a case where a little bit of the plant is in the mouth so we know that the Neanderthals were consuming the food."

More like us

One question raised by the study is why the chemical studies on Neanderthal bones have been wide of the mark. According to Professor Brooks, the tests were measuring proteins levels, which the researchers assumed came from meat.

"We've tended to assume that if you have a very high value for protein in the diet that must come from meat. But... it's possible that some of the protein in their diet was coming from plants," she said.

This study is the latest to suggest that, far from being brutish savages, Neanderthals were more like us than we previously thought.

13 June 2009

The Evolution of Tickling

[Just when you thought this theory couldn't get even sillier, we get this gem. Try not to laugh as you read it, ok? This is science!! ]

http://creationsafaris.com/crev200906.htm#20090608a

June 8, 2009 — Observation: orangutans seem to laugh when tickled. Conclusion: humans evolved laughter from our ape past. This is the story being promoted by the science news outlets. “At least 10 million years ago, our ancestors may have been laughing it up over the latest stone-age prank or bout of tickling,” announced Live Science.

New Scientist joined in the laugh fest, saying “Laughter is not uniquely human.... laughter dates back some 10 to 16 million years, to our common ancestor.” Science Daily aped this story, and as did the BBC News and Nature News. National Geographic was tickled with it and even included sound recordings so you could hear the laughter of a bonobo, chimp, gorilla, orangutan and a human child.

Each of these articles was accompanied by pictures of apes making funny faces – something that should have been known since the old Bonzo movies. None of the studies claims, though, that the apes laughed at the shaggy man joke.

National Geographic wins Stupid Evolution Quote of the Week for these punch lines:

But even the most casual listener can tell a human laugh from an ape laugh. Davila Ross points out that human laughter has distinct differences from ape laughter, most likely because humans have evolved much more rapidly than apes during the past five million years.
And at least one great mystery remains: What purpose does ape laughter serve?....
Primates have apparently packed a lot of laughter into the last 10 to 16 million years, but there’s a chance the chuckle originated even earlier: Tickle-induced “laughter” has also been reported in rats.
The idea remains controversial, but it could suggest that our funny bone evolved much closer to the trunk of mammals’ evolutionary tree.

Maybe those squeaks are funnier than people thought. But why stop with mammals? Parakeets seem to tell jokes to each other. Jungles are filled with screeches and whoops that might be interpreted as one big comedy show.

Isn’t The World’s Funniest Animals one of the most popular shows on Animal Planet? Robert Roy Britt extended the possibility of laughter to cats and dogs on MSNBC News but seemed to recognize a limit to interpreting the results: “Just because a bee buzzes, that doesn’t mean it’s laughing at you.”

So this is modern science at work: tickling animals to study the evolution of laughter. Suggestion: don’t try this on grizzly bears.

The storytelling continues (see 11/22/2005). It’s an endless joke at our expense. Don’t be surprised if one of them looks for the laughter gene in bacteria. Maybe these scientists should analyze why common-sensical people are laughing at them for taking themselves seriously.

05 February 2009

“So We Make Up Stories” About Human Evolution


by Kyle Butt, M.A.

Dr. Richard Lewontin is the Alexander Agassiz Research Professor at the Museum of Comparative Zoology at Harvard University. Harvard University Press describes him as one of their “most brilliant evolutionary biologists.” A Harvard professor since 1973, he has impeccable academic credentials, and has gained worldwide notoriety for authoring several books, including The Triple Helix, The Genetic Basis of Evolutionary Change, and Biology as Ideology.



During the week of February 14-18, Dr. Lewontin was invited to speak at the American Association for the Advancement of Science’s annual meeting held in Boston, Massachusetts. Michale Balter, writing for Science magazine, reported briefly on Lewontin’s comments that caused quite a stir in the evolutionary community. Balter titled his article “How Human Intelligence Evolved—Is It Science or ‘Paleofantasy’?” (2008). In the first paragraph, Balter quipped that Lewontin really “knows how to grab an audience’s attention.”



What did Lewontin say that was so noteworthy and attention-grabbing? Lewontin “led off a session titled ‘The Mind of a Toolmaker’ by announcing that scientists know next to nothing about how humans got so smart. ‘We are missing the fossil record of human cognition,’ Lewontin said at the meeting. ‘So we make up stories’” (Balter, 2008, emp. added). While Balter spent the rest of his article scrambling to show that Lewontin’s conclusions are not recognized by all in the scientific community, Lewontin’s devastating blow to evolution’s long-cherished scenario of human development could not be papered over so easily.



James Randerson, science correspondent for the United Kingdom’s Guardian, wrote an article titled “We Know Nothing About Brain Evolution” in which he, too, reported on Lewontin’s speech. Lewontin titled his speech, “Why We Know Nothing About the Evolution of Cognition.” Randerson reported that, in the lecture, the eminent Harvard professor “systematically dismissed every assumption about the evolution of human thought, reaching the conclusion that scientists are still completely in the dark about how natural selection prompted the massive hike in human brain size in the human line” (2008, emp. added).



Lewontin then turned his attention to the fossil record. Randerson summarized Dr. Lewontin’s statements by saying: “The main problem is the poor fossil record. Despite a handful of hominid fossils stretching back 4m [million—KB] years or so, we can’t be sure that any of them are on the main ancestral line to us. Many or all of them could have been evolutionary side branches” (2008). Randerson continued, stating: “Worse, the fossils we do have are difficult to interpret. ‘I don’t have the faintest idea what the cranial capacity [of a fossil hominid] means,’ Lewontin confessed. What does a particular brain size tell us about the capabilities of the animal attached to it?” (2008).



Of course, Lewontin’s comments fly in the face of everything the general population has been led to believe about human evolution. The beautiful drawings showing ape-like creatures gradually evolving in a straight line into humans have been plastered on science-lab walls, in science textbooks, and in popular science magazines for the last five decades. We have been told that the hominid fossil record is so complete that it provides irrefutable evidence verifying human evolution. We have been told that our “ancestral” fossils indicate exactly when our ancient great-grandparents began to walk upright, when they evolved greater cognitive skills, and when they evolved into us.



Lewontin was not finished tearing into the standard evolutionary party line about hominid fossils. Randerson noted that Lewontin “is even skeptical that palaeoanthropologists can be sure which species walked upright and which dragged their knuckles. Upright posture is crucial for freeing up the hands to do other useful things” (2008).



What, then, did Lewontin conclude regarding the prevailing status of ignorance that pervades the scientific community regarding the supposed evolution of humans? He said: “We are in very serious difficulties in trying to reconstruct the evolution of cognition. I’m not even sure what we mean by the problem” (as quoted in Randerson, 2008).



The bombshell that Lewontin dropped on the 2008 AAAS annual meeting will leave devastating and lasting carnage in its wake in the evolutionary community. He debunked 50 years of orchestrated evolutionary propaganda. Randerson concluded his summary of Lewontin’s statements by observing: “All in all, despite thousands of scientific papers and countless National Geographic front covers, we have not made much progress in understanding how our most complicated and mysterious organ [brain—KB] came about” (2008).



After reviewing Lewontin’s statements and the various journal articles describing them, the writers of Creation/Evolution Headlines appropriately admonished the reader:



Remember this entry the next time you get a National Geographic cover story of a hominid with a philosopher’s gaze. Remember it when you are told stories about hominids walking upright, their hands now freed to scratch their chins and think. Remember it when you are shown a chimpanzee on NOVA performing memory tricks for a banana or smashing bugs with a rock. Remember it when a stack of erudite scientific papers on human evolution is placed on the witness table at a trial over whether students should be allowed to think critically about evolution in science class (“Paleofantasy...,” 2008).





REFERENCES


Balter, Michael (2008), “How Human Intelligence Evolved—Is It Science or ‘Paleofantasy’?” Science, 319 [5866]:1028, [On-line], URL: http://www.sciencemag.org/cgi/content/full/319/5866/1028a.



“Paleofantasy: Brain Evolution is Mere Storytelling” (2008), Creation/Evolution Headlines, February 22, [On-line], URL: http://www.creationsafaris.com/crev200802.htm.



Randerson, James (2008), “We Know Nothing About Brain Evolution,” Guardian, [On-line], URL: http://blogs.guardian.co.uk/science/2008/02/the_distinguished_biologist _pr.html.




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