Harvard Biologist Admits - We Know Nothing About Brain Evolution

Science journals have featured countless storiespessimism in the study of human origins. Science
about the evolution of the human brain. Scientists arereporter James Randerson of Britain's Guardian
puzzled since humans have much bigger brains thannewspaper was even more brunt, saying, "We know
any other species. Their suggested explanations havenothing about brain evolution." Randerson went on to
often been mutually exclusive. For instance, the oldsummarise Lewontin's reasons for pessimism. "The
text book explanation relied on eating meat but ahandful of hominid fossils stretching back 4m years
few years ago an article in New Scientist, a popularor so" cannot tell us whether any of them were our
science magazine, suggested that eating starch wasancestors. We "do not have the have the faintest
the secret of brain growth. But both explanations failidea what the cranial capacity [of a fossil hominid]
to answer why other meat or starch eating speciesmeans". Moreover, we do not even know which
do not have big brains.hominids walked upright and which did not.
At the recent AAAS (American Association for theLewontin is well-known for his outspokenness. In
Advancement of Science) annual meeting in Boston,1997 he wrote in The New York Review of Books
Richard Lewontin, a distinguished biology professor atthat scientists often choose to make up
Harvard University, acknowledged that stories about"unsubstantiated just-so stories" because they "have
human brain evolution have not been based on facts.a prior commitment, a commitment to materialism...
Reporting on the meeting for the journal Science,Moreover, that materialism is an absolute, for we
Michael Balter quoted Lewontin as saying, "We arecannot allow a Divine Foot in the door."
missing the fossil record of human cognition, so weObviously, the scientific community cannot ignore
make up stories." The title of Balter's article seems toLewinton's recent conclusions. If the ruling paradigm
be an admission of sorts: "How Human Intelligence(naturalism or the view that nature is all there is)
Evolved--Is It Science or 'Paleofantasy'?"leads us into a blind alley, might there be something
According to professor Lewontin, it is fantasy.wrong with it?
Lewontin suggests that there is much cause for