News tagged with dna samples
Related topics: genetic variation
Native Americans descended from a single ancestral group, DNA study confirms
For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral ...
Apr 29, 2009 |
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Is the Mona Lisa a Self-Portrait?
(PhysOrg.com) -- Italian scientists hope to dig up the remains of Leonardo da Vinci in order to determine if his most famous painting, the Mona Lisa, is a disguised self-portrait.
Other Sciences / Archaeology & Fossils
Jan 25, 2010 |
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A new glimpse into ancient human history
Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Apr 30, 2012 |
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Indonesian 'Eves' colonised Madagascar 1,200 years ago
Several dozen Indonesian women founded the colonisation of Madagascar 1,200 years ago, scientists said on Wednesday in a probe into one of the strangest episodes in the human odyssey.
Mar 21, 2012 |
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Researchers develop safer way to make induced pluripotent stem cells
Researchers at Johns Hopkins have found a better way to create induced pluripotent stem (iPS) cells -- adult cells reprogrammed with the properties of embryonic stem cells -- from a small blood sample. This new method, described ...
Feb 01, 2011 |
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Elusive elephant-shrew found in African forest
Conservationists researching the biodiversity of the Boni-Dodori forest on the coast of north-eastern Kenya were thrilled to capture pictures of the bizarre mammal.
Sep 16, 2010 |
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Human-Neanderthal coupling was rare: study
Scientists have shown that modern humans have some traces of genes from Neanderthals, but a study out Monday suggests that any breeding between the two was most likely a rare event.
Other Sciences / Archaeology & Fossils
Sep 12, 2011 |
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Ancient Greek ships traded more than just wine
(PhysOrg.com) -- While many historians have assumed that Greek sailors were using amphorae, or ancient storage containers, to transport and trade wine, new DNA testing is providing evidence that these containers ...
Other Sciences / Archaeology & Fossils
Oct 17, 2011 |
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Mobile DNA elements in woolly mammoth genome give new clues to mammalian evolution
The woolly mammoth died out several thousand years ago, but the genetic material they left behind is yielding new clues about the evolution of mammals. In a study published online in Genome Research, scientists have analyz ...
Jun 08, 2009 |
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Africa's rarest monkey had an intriguing sexual past, DNA study confirms
The most extensive DNA study to-date of Africa's rarest monkey reveals that the species had an intriguing sexual past. Of the last two remaining populations of the recently discovered kipunji, one population ...
Nov 11, 2009 |
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Gene variations can be barometer of behavior, choices
Researchers at Brown University and the University of Arizona have determined that variations of three different genes in the brain (called single-nucleotide polymorphisms) may help predict a person's tendency ...
Medicine & Health / Neuroscience
Jul 20, 2009 |
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Gene Testing In the Doctors Office
(PhysOrg.com) -- A portable instrument manufactured by Nanosphere Inc. and recently approved by the FDA, can detect genetic variations in blood that alter the effectiveness of some drugs.
Nanotechnology / Bio & Medicine
Dec 02, 2009 |
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DNA study confirms geographical origin of Jews
New research has found Jews share a genetic bond with Cypriots and Druze and confirms the Jewish diaspora maintained a strong DNA continuity despite its long separation from the Middle East, scientists said ...
Jun 09, 2010 |
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New technique fills gaps in fossil record
University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.
Sep 19, 2011 |
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Experts hope DNA can unlock Chinese warlord's secrets
Scientists said Tuesday they hope to collect DNA from hundreds of men surnamed Cao so they can prove a recently excavated tomb in central China belongs to the legendary warlord Cao Cao.
Other Sciences / Archaeology & Fossils
Jan 26, 2010 |
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