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stability of its economy and currency, and so forth.
In sum, unless two opponents in a debate are each willing to play on the same field and by
the same rules, I concede that disagreement can impede learning. Otherwise, reasoned
discourse and debate between people with opposing viewpoints is the very foundation upon
which human knowledge advances. Accordingly, on balance the speaker is fundamentally
correct.
Issue 2
"No field of study can advance significantly unless outsiders bring their knowledge and
experience to that field of study."
I strongly agree with the assertion that significant advances in knowledge require expertise
from various fields. The world around us presents a seamless web of physical and
anthropogenic forces, which interact in ways that can be understood only in the context of a
variety of disciplines. Two examples that aptly illustrate this point involve the fields of cultural
anthropology and astronomy.
Consider how a cultural anthropologist's knowledge about an ancient civilization is
enhanced not only by the expertise of the archeologist--who unearths the evidence--but
ultimately by the expertise of biochemists, geologists, linguists, and even astronomers. By
analyzing the hair, nails, blood and bones of mummified bodies, biochemists and forensic
scientists can determine the life expectancy, general well-being, and common causes of death
of the population. These experts can also ensure the proper preservation of evidence found at
the archeological site. A geologist can help identify the source and age of the materials used
for tools, weapons, and structures--thereby enabling the anthropologist to extrapolate about
the civilization's economy, trades and work habits, life styles, extent of travel and mobility, and
so forth. Linguists are needed to interpret hieroglyphics and extrapolate from found fragments
of writings. And an astronomer can help explain the layout of an ancient city as well as the
design, structure and position of monuments, tombs, and temples--since ancients often looked
to the stars for guidance in building cities and structures.
An even more striking example of how expertise in diverse fields is needed to advance
knowledge involves the area of astronomy and space exploration. Significant advancements in
our knowledge of the solar system and the universe require increasingly keen tools for
observation and measurement. Telescope technology and the measurement of celestial
distances, masses, volumes, and so forth, are the domain of astrophysicists.
These advances also require increasingly sophisticated means of exploration. Manned and
unmanned exploratory probes are designed by mechanical, electrical, and computer
engineers. And to build and enable these technologies requires the acumen and savvy of
business leaders, managers, and politicians. Even diplomats might play a role--insofar as
major space projects require intemafional cooperative efforts among the world's scientists and
governments. And ultimately it is our philosophers whose expertise helps provide meaning to
what we learn about our universe.
In sum, no area ofinteUectual inquiry operates in a vacuum. Because the sciences are
inextricably related, to advance our knowledge in any one area we must understand the
interplay among them all. Moreover, it is our non-scienfists who make possible the science,
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