Showing posts with label Darwin. Show all posts
Showing posts with label Darwin. Show all posts

Monday, February 12, 2007

Learning



I’ve mentioned in earlier posts that matter “learns” how to survive by the simple means that behaviours that don’t serve survival through time do not persist.

But there can be no “learning” without memory, because there can be no knowledge without memory. There has to be a persistent record of experience to learn from.

In a sense, life itself is all about maintaining a record of experiences that result in persistence, that result in survival.

But where does that record reside? We know that human beings (indeed all forms of life, but let’s discuss human beings) keep a record of experience in various short-and long-term memory systems. But there are some human behaviours that are clearly not learned. A child will focus on its mother’s face from the moment its little eyes are capable of focusing. No one taught the child to stare at its mother, or to say “bababa”, or to suckle at the breast. These things are instinctual.

The idea that some forms of knowledge seem to be innate has confused philosophers from at least the time of Plato. Fortunately, science has solved it. Every living creature carries a record of the sorts of behaviours that work for its species in a longer-term “memory” system – DNA.

Experience is the fount of all knowledge. One of the arguments against this position has been that some knowledge appears to be innate. How can it therefore be founded on experience? An infant has no experience to draw upon!

The answer is that in DNA and other genetic material is recorded the experience of generations of living creatures, who passed on their knowledge to the new generations.

This innate, instinctual knowledge is a record of the sorts of behaviours that result in survival. Behaviours not only of the baby as a whole, but of its eyes, ears, and other organs, of its brain, of its digestive system, of the hair on its head, all of which through the millennia have served the survival of its kind.

Saturday, November 06, 2004

Evolution

It all starts with an understanding of the theory of evolution.

A recent issue of the National Geographic magazine asked the question, "Was Darwin Wrong?" Inside it gave the answer: "No."

The evidence is in and it is overwhelming that life evolved out of the ooze and continues to evolve.



If you click on the pigeon image above and scroll down the National Geographic page that appears, you'll see a list of links to sites that explain the theory of evolution.

Evolution

www.pbs.org/wgbh/evolution

This interactive and entertaining website is a companion to the PBS series on evolution. Explore Darwin's life and the theory he proposed, find resources for teachers and students and a library of additional resources.

The Writing of Charles Darwin on the Web

pages.britishlibrary.net/charles.darwin

This site claims to be the most extensive collection of Darwin's writings ever published and includes The Origin of Species and other books, volumes of letters, and articles published in periodicals. Although the site appears to come from the British Library, it is produced by a historian affiliated with Cambridge University.

Exploring Constitutional Conflicts: The Evolution Controversy

www.law.umkc.edu/faculty/projects/ftrials/conlaw/evolution.htm

A fascinating look at both sides of the issue from a University of Missouri law professor. Includes links to websites supporting evolutionist theory and creationism.

AboutDarwin.com

www.aboutdarwin.com

More about Darwin himself than about evolution, this entertaining site offers great detail about Darwin's life and science in the late 1800s. It includes a long list of links.

Center for Science and Culture

www.discovery.org/csc

This website presents the non-Darwinist and non-creationist point of view known as intelligent design, which holds that the universe is the product of intelligent thinking.

Answers in Genesis

www.answersingenesis.org

A very large young-Earth creationist website. Although most material is in English, it includes pages in ten Asian and European languages.

The Talk.Origins Archive

www.talkorigins.orgThis website is built around essays and articles addressing the evolution/creationism controversy from a mainstream science viewpoint. Lots of links to websites on both sides of the issue.

National Center for Science Education

www.ncseweb.org

The NCSE is a nonprofit organization dedicated to defending the teaching of evolution in public schools.

Robert Clark

www.nationalacademies.org

This organization provides a committee of experts in all areas of scientific and technological endeavor and gives independent, objective advice on critical international and national issues.

- Thom



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