Science is or at least should be a endeavor that is comfortable with the idea of doubt. A theory is an idea that is proposed based on a combination of presuppositions, evidence, observations, etc. To doubt something is to question it. Over the last 100 years science as an endeavor has changed from a process of accepting, working with, challenging and disproving doubt, to a semi-ridged faith based belief system.
Darwinian Evolution (as opposed to other evolutionary theories) started with the openly stated presupposition (and goal if you will) of establishing a frame work to explain existence apart form the history recorded in the book of Genesis. This should be considered the prime directive (PD) of Darwinian Evolution. From about 1859 onwards to our current time that view has become the norm in Western world. Those wishing to be taken seriously in the scientific community express doubt in the Darwinian system at their own peril.
Prior to 1859 (and for sometime there after) most educated people in the West accepted, what can be loosely called a biblical view of history. Generally speaking, the biblical view produced an age of the earth as less than 10,000 (less than 6,000 for the picky). After 1859 the idea that human history pre-dated the 10,000 year mark became the accepted norm. In 1859 the estimated age of the earth, by the Darwinian crowd was 100,000 years, give or take. Since 1859 the Darwin Evolutionist (DE) has expanded his time line. Today the DE believes that the earth is 4.55 billion years and that man has been on earth for 4 to 6 million years.
The reason for the DE age date belief springs from several factors. Of course there is the DE prime directive, but there are many other reasons apart from that. DE has developed dating techniques and methodologies for establishing timelines. For the most part, these methodologies rely on mathematical modeling based on radioactive half-life estimates of various isotopes. Originally the dating methodologies produced results that were consistent with the PD.
So what happens when evidence contradicts the established DE time table?
Skull of Homo erectus throws story of human evolution into disarray
The spectacular fossilised skull of an ancient human ancestor that died nearly two million years ago has forced scientists to rethink the story of early human evolution.
Anthropologists unearthed the skull at a site in Dmanisi, a small town in southern Georgia, where other remains of human ancestors, simple stone tools and long-extinct animals have been dated to 1.8m years old.
Experts believe the skull is one of the most important fossil finds to date, but it has proved as controversial as it is stunning. Analysis of the skull and other remains at Dmanisi suggests that scientists have been too ready to name separate species of human ancestors in Africa. Many of those species may now have to be wiped from the textbooks.
The scientists went on to compare the Dmanisi remains with those of supposedly different species of human ancestor that lived in Africa at the time. They concluded that the variation among them was no greater than that seen at Dmanisi. Rather than being separate species, the human ancestors found in Africa from the same period may simply be normal variants of H erectus.
"Everything that lived at the time of the Dmanisi was probably just Homo erectus," said Prof Zollikofer. "We are not saying that palaeoanthropologists did things wrong in Africa, but they didn't have the reference we have. Part of the community will like it, but for another part it will be shocking news."A couple of quick points here:
- The researchers are all DE.
- The researchers are using accepted DE dating methods.
- They are using accepted DE fossil evaluation methods.
- Assuming the above, at best this new evidence cuts the DE timetable from 4 to 6 million years to 1 to 1.8 million years for the existence of man.
- This data (as complied and interpreted via DE) does not disprove DE, it only shortens the time frame.
- Most damningly this data proves a number of DE researchers wrong about their timetable estimates.