11. Human evolution remains a mystery.
For example, PBS touts Lucy, a member of the hominid species Australopithecus afarensis, as a representative of humanity's ancestors. But many studies have found that the australopithecines were more similar to modern apes than to modern humans. For example, Lucy is commonly called a precursor to the bipedal form of human locomotion, yet one study found Lucy had handbones like a knuckle-walking ape. Another study wrote, "We, like many others, interpret the anatomical evidence to show that early H[omo] sapiens was significantly and dramatically different from earlier and penecontemporary australopithecines in virtually every element of its skeleton and every remnant of its behavior."2
These rapid, unique, and genetically significant changes were called "a genetic revolution" where "no australopithecine species is obviously transitional."2 One commentator proposed this evidence implies a "big bang theory" of human evolution.3 Similarly, two paleoanthropologists stated in Nature that the first human-like fossils appear so suddenly in the record that "it is hard at present to identify its immediate ancestry in east Africa. Not for nothing has it been described as a hominin 'without an ancestor, without a clear past.'"4
A Harvard evolutionary paleoanthropologist recently stated in the New York Times that newly discovered hominid fossils "show 'just how interesting and complex the human genus was and how poorly we understand the transition from being something much more apelike to something more humanlike.'"5 Such an admission was echoed soon thereafter by a different set of evolutionary paleoanthropologists stating that "we know nothing about how the human line actually emerged from apes."6 While these researchers undoubtedly themselves support the view that humans and apes share a common ancestor, perhaps PBS would do best to explain that there are many unsolved mysteries about human origins, rather than presenting the united front that humans are unequivocally descended from ape-like species: The truth is that skeptics of human evolution have ample scientific justification for their views.
1. Stephen Jay Gould, The Panda's Thumb, page 126 (W.W. Norton, 1980).
2. J. Hawks, K. Hunley, L. Sang-Hee, and M. Wolpoff, "Population Bottlenecks and Pleistocene Evolution," Journal of Molecular Biology and Evolution, Vol. 17(1): 2-22 (2000).
3. University of Michigan News and Information Services News Release, "New study suggests big bang theory of human evolution" (January 10, 2000), available at http://www.umich.edu/~newsinfo/Releases/2000/Jan00/r011000b.html.
4. Robin Dennell & Wil Roebroeks, "An Asian perspective on early human dispersal from Africa," Nature, Vol. 438:1099-1104 (Dec. 22/29, 2005).
5. Daniel Lieberman, quoted in "Fossils in Kenya Challenge Linear Evolution," by John Noble Wilford, New York Times (August 9, 2007), at http://www.nytimes.com/2007/08/09/science/09fossil.html?_r=1&adxnnl=1&oref=slogin&ref=world&adxnnlx=1190251306-bd0mimh3naHn6sRHLOlP/A.
6. Scientists quoted in "Fossil find pushes human-ape split back millions of years," (August 24, 20070), at http://www.breitbart.com/article.php?id=070824121653.65mgd37f&show_article=1.
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