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'Human Tool Marks' on Ancient Bones are Just Animal Bites

From Phys.Org article

In recent years, several teams of archaeologists have made claims regarding the earliest use of tools by hominids, some going back as far as 4 million years. These new studies have used evidence of marks on animal bones as proof of tool use, rather than actually finding stone tool artifacts. In this new effort, the research trio suggests that marks on bones do not appear to offer strong enough evidence of tool use. (Article)

Often, scientists make wild claims about human activity in the distant past, anything from a few thousands of years to even millions of years.

Claims of ancient human activity are made on the basis that groves, indentations, marks on ancient bones are presumed to have been caused by ancient humans, or by 'missing links', the supposed 'link(s)' between humans and primates.  The claim is made that these 'cuts', 'grooves', 'marks' are caused by the hunting tools of these historical people.

Study shows that it's Impossible to Tell the Difference between Animal Marks on Bones and Human Tool Marks on Bones

For many years, scientists in the field have believed that when animals make marks on bones, the results are U-shaped, whereas those made by stone tools are V-shaped. But that, the researchers point out, was based on studies of hyenas. In running their own tests, they compared crocodile bite marks to stone tool marks and found them very nearly identical. (Article)
For many years, archaeologists have assumed that any marks made on bones by all animals are U shaped, and that those made by humans stone tools are V shaped.

To test this, basically, researchers got a bunch of stone tools and used them to cut up sheep.  They then compared the cut marks on the bones of these sheep, to the marks left by crocodiles from a crocodile farm, on animal bones.

The result? 

The marks left by stone tools and crocodiles are indistinguishable.


The claims made by scientists, that there is evidence of humans on earth, based on tool usage, going back not just thousands of years (please see this article), but even millions of years are bogus.  It's impossible to tell the difference between marks left by animals on bones, and those supposedly left by the tools of imaginary historic peoples.

Commons sense tells a person that one can tell very little from marks on stones (fossilized bones) or even bones.  For sure, people let their imaginations get carried away, "Professing themselves to be wise, they became fools,"  — Rom. 1:22.

Abstract From the Article

Zooarchaeologists have long relied on linear traces and pits found on the surfaces of ancient bones to infer ancient hominid behaviors such as slicing, chopping, and percussive actions during butchery of mammal carcasses. However, such claims about Plio–Pleistocene hominids rely mostly on very small assemblages of bony remains.  Furthermore, recent experiments on trampling animals and biting crocodiles have shown each to be capable of producing mimics of such marks.
Research source: PNAS (Proceedings of the National Academy of Sciences)
“O Timothy, keep that which is committed to thy trust, avoiding profane and vain babblings, and oppositions of science falsely so called:”  1 Timothy 6:20

“He taketh the wise in their own craftiness: and the counsel of the froward is carried headlong.”  Job 5:13

21st September 2018.


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