Literature
Post details: Molecular clocks tell the wrong time!
03/22/07
Molecular clocks tell the wrong time!
Disillusionment with molecular clocks appears to be quite widespread. This paper draws attention to the great disparities that exist in the dates that emerge from these studies. The authors say that they await further work "with some nervousness, given that we suspect they might reveal that many past studies placed too much confidence in simple molecular clock analyses, and that their conclusions should thus be revisited."
Pessimism about the method is high. The worst case scenario is raised with the question: "is there likely to be so much uncertainty about molecular dating that the estimates are no longer useful? We fear that, for many current studies, the answer is yes."
The root problem is that the method has been built on Darwinian foundations. When legitimate concerns about these are addressed (see here), it may be possible do do something useful with the data.
Dates from the molecular clock: how wrong can we be?
Mario J.F. Pulquerio and Richard A. Nichols
Trends in Ecology & Evolution, Volume 22, Issue 4, April 2007, Pages 180-184
Abstract: Large discrepancies have been found in dates of evolutionary events obtained using the molecular clock. Twofold differences have been reported between the dates estimated from molecular data and those from the fossil record; furthermore, different molecular methods can give dates that differ 20-fold. New software attempts to incorporate appropriate allowances for this uncertainty into the calculation of the accuracy of date estimates. Here, we propose that these innovations represent welcome progress towards obtaining reliable dates from the molecular clock, but warn that they are currently unproven, given that the causes and pattern of the discrepancies are the subject of ongoing research. This research implies that many previous studies, even some of those using recently developed methods, might have placed too much confidence in their date estimates, and their conclusions might need to be revised.
Last sentence: We await the more rigorous type of assessment with some nervousness, given that we suspect they might reveal that many past studies placed too much confidence in simple molecular clock analyses, and that their conclusions should thus be revisited.
Literature
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| << < | > >> | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 | |||
Search
Categories
Archives
- July 2008 (1)
- June 2008 (17)
- May 2008 (12)
- April 2008 (13)
- March 2008 (10)
- February 2008 (11)
- January 2008 (18)
- December 2007 (8)
- November 2007 (12)
- October 2007 (12)
- September 2007 (9)
- August 2007 (5)
- more...
Linkblog
Links - Groups and Organizations
- Access Research Network
- Discovery Institute
- Evolution News Blog
Evolution has become a favorite topic of the news media recently, but for some reason, they never seem to get the story straight. The staff at Discovery Institute's Center for Science and Culture started this Blog to set the record straight and make sure you knew "the rest of the story".
- Intelligent Design Network (IDNet)
- Intelligent Design Undergraduate Research Center
- Intelligent Reasoning
A blogger from New England offers his intelligent reasoning.
- International Society for Complexity, Information, and Design (ISCID)
- Telic Thoughts
We are a group of individuals, coming from diverse backgrounds and not speaking for any organization, who have found common ground around teleological concepts, including intelligent design. We think these concepts have real potential to generate insights about our reality that are being drowned out by political advocacy from both sides. We hope this blog will provide a small voice that helps rectify this situation.
- The Design Inference - The Writings of William A. Dembski
- The Intelligent Design and Evolution Awareness Center (IDEA)
- www.themonkeytrial.com
Website dedicated to comparing scenes from the "Inherit the Wind" movie with factual information from actual Scopes Trial. View 37 clips from the movie and decide for yourself if this movie is more fact or fiction.
Links - Of General Interest
- A Brief View of Time and Those That Live There
Don Cicchetti blogs on: Culture, Music, Faith, Intelligent Design, Guitar, Audio
- A Quick Guide to Sequenced Genomes
- ARN Related Web Links
- Creation/Evolution Quotes
Australian biologist Stephen E. Jones maintains one of the best origins "quote" databases around. He is meticulous about accuracy and working from original sources.
- CreationEvolutionDesign
Most guys going through midlife crisis buy a convertible. Austrialian Stephen E. Jones went back to college to get a biology degree and is now a proponent of ID and common ancestry.
- Darwinian Fairytales by David Stove
Complete zipped downloadable pdf copy of David Stove's devastating, and yet hard-to-find, critique of neo-Darwinism entitled "Darwinian Fairytales"
- ID The Future
Intelligent Design The Future is a multiple contributor weblog whose participants include the nation's leading design scientists and theorists: biochemist Michael Behe, mathematician William Dembski, astronomer Guillermo Gonzalez, philosophers of science Stephen Meyer, and Jay Richards, philosopher of biology Paul Nelson, molecular biologist Jonathan Wells, and science writer Jonathan Witt. Posts will focus primarily on the intellectual issues at stake in the debate over intelligent design, rather than its implications for education or public policy.
- John Mark Reynolds Blog
A Philosopher's Journey: Political and cultural reflections of John Mark N. Reynolds. Dr. Reynolds is Director of the Torrey Honors Institute at
Biola University.
- NASA Astronomy Picture of the Day
Misc
Syndicate this blog 
What is RSS?
powered by
Original template design by François PLANQUE.
