News tagged with lineage
Professor's hypothesis may be game changer for evolutionary theory
(PhysOrg.com) -- A new hypothesis posed by a University of Tennessee, Knoxville, associate professor and colleagues could be a game changer in the evolution arena. The hypothesis suggests some species are ...
Apr 04, 2012 |
4.2 / 5 (22) |
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Anthropologists clarify link between Asians and early Native-Americans
A tiny mountainous region in southern Siberia may have been the genetic source of the earliest Native Americans, according to new research by a University of Pennsylvania-led team of anthropologists.
Other Sciences / Archaeology & Fossils
Jan 26, 2012 |
4.6 / 5 (12) |
0
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Last universal common ancestor more complex than previously thought
Scientists call it LUCA, the Last Universal Common Ancestor, but they don't know much about this great-grandparent of all living things. Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical ...
Oct 05, 2011 |
4.9 / 5 (11) |
11
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Extinction runs in the family
(PhysOrg.com) -- Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages. ...
Aug 06, 2009 |
4.7 / 5 (11) |
3
Famed fossil isn't a bird after all, analysis says
(AP) -- One of the world's most famous fossil creatures, widely considered the earliest known bird, is getting a rude present on the 150th birthday of its discovery: A new analysis suggests it isn't a bird ...
Other Sciences / Archaeology & Fossils
Jul 27, 2011 |
4.7 / 5 (10) |
9
Mitochondrial genome analysis revises view of the initial peopling of North America
The initial peopling of North America from Asia occurred approximately 15,000-18,000 years ago, however estimations of the genetic diversity of the first settlers have remained inaccurate. In a report published online today ...
Jun 28, 2010 |
4.6 / 5 (10) |
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Endangered horse has ancient origins and high genetic diversity, new study finds
An endangered species of horse -- known as Przewalski's horse -- is much more distantly related to the domestic horse than researchers had previously hypothesized, reports a team of investigators led by Kateryna ...
Sep 07, 2011 |
4.9 / 5 (7) |
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How one strain of MRSA becomes resistant to last-line antibiotic
Researchers have uncovered what makes one particular strain of methicillin-resistant Staphylococcus aureus (MRSA) so proficient at picking up resistance genes, such as the one that makes it resistant to vancomycin, the last ...
May 22, 2012 |
5 / 5 (6) |
2
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Sexless for a million years, stick bugs elude extinction
(PhysOrg.com) -- Simon Fraser University biologists say a species of stick insect found to be celibate for 1.5 million years raises questions about why these particular lineages have escaped extinction thus ...
Jul 19, 2011 |
3.7 / 5 (7) |
15
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Depletion of the body snatchers: Bad news for marine environment
A recent study conducted for The IUCN Red List of Threatened Species has determined that 20 percent of hagfish species are at an elevated risk of extinction*. Scientists warn that this figure could be much ...
Jul 29, 2011 |
4.3 / 5 (6) |
2
New species of ghostshark from California and Baja California
New species are not just discovered in exotic locales -- even places as urban as California still yield discoveries of new plants and animals. Academy scientists recently named a new species of chimaera, an ...
Sep 22, 2009 |
4.8 / 5 (5) |
0
Bat researchers no longer flying blind on echolocation
Researchers at The University of Western Ontario led an international and multi-disciplinary study that sheds new light on the way that bats echolocate. With echolocation, animals emit sounds and then listen ...
Jan 24, 2010 |
5 / 5 (4) |
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When plants go polyploid
(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Sep 13, 2011 |
5 / 5 (3) |
8
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Study finds human population expanded during late Stone Age
Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...
Jul 29, 2009 |
4.3 / 5 (3) |
5
A new evolutionary history of primates
A robust new phylogenetic tree resolves many long-standing issues in primate taxonomy. The genomes of living primates harbor remarkable differences in diversity and provide an intriguing context for interpreting human evolution. ...
Mar 17, 2011 |
3.7 / 5 (3) |
3
Lineage
Lineage may refer to:
For more information about Lineage, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
