DNA Provides Clue to Why Woolly Mammoth Died Out

DNA Provides Clue to Why Woolly Mammoth Died Out

DNA clues to why woolly mammoth died out By Helen Briggs,
BBC News, March 2, 2017
http://www.bbc.com/news/science-environment-39142941

The last, lonely woolly mammoths faced a 'genomic meltdown'
By Michael Price, Science News, March 2, 2017
http://www.sciencemag.org/news/2017/03/last-lonely-woolly-mammoths-were-genetically-screwed
DNA clues to why woolly mammoth died out By Helen Briggs,
BBC News, March 2, 2017
http://www.bbc.com/news/science-environment-39142941

The last, lonely woolly mammoths faced a 'genomic meltdown'
By Michael Price, Science News, March 2, 2017
http://www.sciencemag.org/news/2017/03/last-lonely-woolly-mammoths-were-genetically-screwed

The Woolly Mammoth's Last Stand, New York Times
http://www.bbc.com/news/science-environment-39142941

The paper is:

Rogers, R. L., and M. Slatkin, 2017, Excess of genomic
defects in a woolly mammoth on Wrangel island.
PLOS Genetics. Published: March 2, 2017, open access.
http://dx.doi.org/10.1371/journal.pgen.100660
http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1006601

The Woolly Mammoth's Last Stand, New York Times
http://www.bbc.com/news/science-environment-39142941

Yours,

Paul H.

The Extinction of the Dinosaurs - Open Access Paper

The Extinction of the Dinosaurs - Open Access Paper

Brusatte, S. L., R. J. Butler, P. M. Barrett, M. T. Carrano, D. C. Evans,
G. T. Lloyd, P. D. Mannion, M. A. Norell, D. J. Peppe, P. Upchurch, and
T. E. Williamson, 2015, The extinction of the dinosaurs. Biological
reviews. vol. 90, no. 2, pp. 628-642.
http://onlinelibrary.wiley.com/doi/10.1111/brv.12128/full
PDF file at http://onlinelibrary.wiley.com/doi/10.1111/brv.12128/epdf
Abstract at http://onlinelibrary.wiley.com/doi/10.1111/brv.12128/abstract

Yours,

Paul H

Competition From Cats Drove Many Species Of Ancient Dogs Into Extinction

Competition From Cats Drove Many Species Of Ancient Dogs Into Extinction

So that's why dogs hate cats! Fossils reveal felines
drove 40 species of canines to extinction after arriving
in North America, Daily Mail, August 13, 2015.
http://www.dailymail.co.uk/sciencetech/article-3196270/So-s-dogs-hate-cats-Fossils-reveal-felines-drove-40-species-canines-extinction-arriving-North-America.html

The role of species competition in biodiversity, July 7, 2015
by Christopher Packham, PhysOrg.
http://phys.org/news/2015-07-role-species-competition-biodiversity.html

Competition from cats drove extinction of many species
of ancient dogs, University of Gothenburg, August 12, 2015
ScienceDaily.
http://www.sciencedaily.com/releases/2015/08/150812103827.htm

The paper is:

Silvestro, D., A. Antonelli, N. Salamin, and T. B. Quentale,
2015, The role of clade competition in the diversification
of North American canids. Proceedings of the National
Academy of Science of the United States. vol. 112,
no. 28, pp. 8684–8689, doi: 10.1073/pnas.1502803112
Abstract: http://www.pnas.org/content/112/28/8684.short
PDF file: http://www.pnas.org/content/112/28/8684.full.pdf

Other articles and paper are:

How Cats Became Domesticated by Janet Fang, Nov. 11, 2014
http://www.iflscience.com/plants-and-animals/genome-comparison-shows-how-wildcats-became-housecats

Ask Smithsonian: Are Cats Domesticated? by Alicia Ault
http://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-are-cats-domesticated-180955111

"There is little genetic difference between a tabby and a wild
cat, so scientists think the house cat is only domestic when it
wants to be."

Montague M. J., G. Li, B. Gandolfi, R. Khan, and many others,
2015. Comparative analysis of the domestic cat genome reveals
genetic signatures underlying feline biology and domestication
Proceedings of the National Academy of Science of the United
States. vol. 111 no. 48, 17230–17235, doi: 10.1073/pnas.1410083111
http://www.pnas.org/content/111/48/17230.abstract

Yours,

Paul H.

Late Devonian Extinction and Killer Trees Article

Late Devonian Extinction and Killer Trees Article

Devonian extinction saw the oceans choke to death
(Before the first animals had crawled out onto land,
marine animals suffered a catastrophic mass
extinction. They may have literally asphyxiated.)
by Chris Baraniuk, BBC News,
http://www.bbc.com/earth/story/20150624-the-day-the-oceans-died

Some papers of Dr. Algeo that related to this article are:

Algeo, T.J., R.A. Berner, J.P. Maynard, and S.E. Scheckler.
1995. "Late Devonian oceanic anoxic events and biotic
crises: "Rooted" in the evolution of vascular land plants?"
GSA Today 5: 45, 64-66.
http://www.geosociety.org/pubs/gsatoday/archive/toc9503.htm
https://www.academia.edu/9828046/Late_Devonian_oceanic_anoxic_events_and_biotic_crises_Rooted_in_the_evolution_of_vascular_land_plants_1995_GSA_Today_
http://www.geosociety.org/gsatoday/archive/5/3/pdf/i1052-5173-5-3-sci.pdf

Algeo, T.J. and S.E. Scheckler. 1998. "Terrestrial-marine
teleconnections in the Devonian: links between the
evolution of land plants, weathering processes, and
marine anoxic events." Phil. Trans. R. Soc. Lond. B 353: 113-130.
http://www.academia.edu/9838637/Terrestrial-marine_teleconnections_in_the_Devonian_Links_between_the_evolution_of_land_plants_weathering_processes_and_marine_anoxic_events_1998_Philosophical_Transactions_Royal_Society_of_London_
http://rstb.royalsocietypublishing.org/content/353/1365/113
http://www.jstor.org/stable/56580?seq=1#page_scan_tab_contents

Algeo, T.J., S.E. Scheckler and J. B. Maynard. 2000.
"Effects of the Middle to Late Devonian spread of vascular
land plants on weathering regimes, marine biota, and
global climate." pp. 213-236. In: P.G. Gensel and D.
Edwards (eds.). 2001 Plants Invade the Land: Evolutionary
and Environmental Approaches. Columbia Univ. Press:
New York.

Yours,

Paul H.

Dinosaurs were Not wiped out by a global firestorm??

Dinosaurs were Not wiped out by a global firestorm??

Dinosaurs were Not wiped out by a global firestorm
Jonathan O'Callaghan, Daily Mail, January 22, 2015
http://www.dailymail.co.uk/sciencetech/article-2921547/Dinosaurs-NOT-wiped-global-firestorm-Asteroid-impact-not-hot-ignite-nearby-plants-study-claims.html

Doubt cast on global firestorm generated by dino-killing
asteroid (Pioneering new research has debunked the
theory that the asteroid that is thought to have led to the
extinction of dinosaurs also caused vast global firestorms
that ravaged planet Earth.) University of Exeter.
http://www.eurekalert.org/pub_releases/2015-01/uoe-dco011915.php


Belcher, C. M., R. M. Hadden, G. Rein, J. V. Morgan,
N. Artemieva, and T. Goldin, 2015, An experimental
assessment of the ignition of forest fuels by the thermal
pulse generated by the Cretaceous–Palaeogene impact
at Chicxulub. Journal of the Geological Society, First
published on January 22, 2015, doi:10.1144/jgs2014-082
http://jgs.geoscienceworld.org/content/early/2015/01/19/jgs2014-082.abstract
http://jgs.geoscienceworld.org/content/early/2015/01/19/jgs2014-082.full.pdf+html

Yours,

Paul H.

What killed the woolly mammoth? A whole bunch of things

What killed the woolly mammoth? A whole bunch of things

What killed the woolly mammoth? A whole bunch of things,
scientists say, Christian Science Monitor, June 12, 2012,
http://www.csmonitor.com/Science/2012/0612/What-killed-the-woolly-mammoth-A-whole-bunch-of-things-scientists-say.-video

Woolly Mammoth Extinction Has Lessons for Modern
Climate Change, ScienceDaily, June 12, 2012
http://www.sciencedaily.com/releases/2012/06/120612144809.htm

Many factors in extinction of mammoths, SBS,
June 12, 2012, http://www.sbs.com.au/news/article/1658619/Many-factors-in-extinction-of-mammoths

Study: Many factors in mammoth extinction, UPI.com, June 12, 2012
http://www.upi.com/Science_News/2012/06/12/Study-Many-factors-in-mammoth-extinction/UPI-96671339529828/?spt=hs&or=sn

The paper is:

MacDonald, G. M., D. W. Beilman, Y. V. Kuzmin, L. A. Orlova, K. V.
Kremenetski, B. Shapiro, R. K. Wayne, and B. Van Valkenburgh, 2012,
Pattern of extinction of the woolly mammoth in Beringia.
Nature Communications, 2012 DOI: 10.1038/ncomms1881
http://www.nature.com/ncomms/journal/v3/n6/full/ncomms1881.html

Best wishes,

Paul H.

Extinction Mystery Discovered - Extraterrestrial Cause??

Paul H bristolia at yahoo.com
Wed Mar 9 17:16:36 EST 2005

Mystery Undersea Extinction Cycle Discovered
John Roach, National Geographic News, March 9, 2005
http://news.nationalgeographic.com/news/2005/03/0309_050309_extinctions.html

++++++++++++++++++++++++

Rohde, R. A., and Muller, R. A., 2005, Cycles in
fossil
diversity. Nature. vol. 434, no. 7030, pp. 208-210.

doi:10.1038/nature03339
http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v434/n7030/abs/nature03339_fs.html

++++++++++++++++++++++++

Kirchner, J. W., and Weil, A., 2005, Biodiversity:
Fossils make waves. Nature. vol. 434, no. 7030, pp.
147-148.