News tagged with dna sample
DNA match fingers suspect 14 years after murder
A DNA match led to the arrest of a man accused of murdering a teenaged New York girl 14 years ago in what had been an unsolved case, city prosecutors said Thursday.
May 10, 2012 |
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Whale population size, dynamics determined based on ancient DNA
Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...
May 09, 2012 |
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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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Many meat-eating mammals lack sweet tooth, study finds
For all their sharp teeth, many meat-eating mammals lack a sweet tooth, a genetic analysis of a dozen species has shown.
Mar 26, 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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Snow leopard diet determined by DNA analysis of fecal samples
Knowledge about animal diet can inform conservation strategy, but this information can be difficult to gather. A new DNA-based method, which analyzes genetic material from feces, could be a useful tool, and researchers have ...
Feb 29, 2012 |
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Research offers way to save endangered Florida bird, and a lesson for conservationists
A team of researchers has found a key to the habitat puzzle for improving long-term survival of the endangered Florida Scrub-Jay.
Feb 22, 2012 |
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New species of bat found in Vietnam
A distinctive echolocation frequency led to the discovery of a new species of bat within the genus Hipposideros. Although this bat is similar to the species Hipposideros armiger, differences in acoustics, ...
Feb 21, 2012 |
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Saltwater crocodile breeders to benefit from genome sequence
(PhysOrg.com) -- The genome sequence of the saltwater crocodile has been completed by an international collaboration of scientists, including researchers from the University of Sydney.
Feb 14, 2012 |
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Mystery hummingbird's species identified
A mystery that puzzled Chicago-area birders was solved when Field Museum scientists identified the unusual hummingbird living in an Oak Park, Ill., yard as a member of the rufous species rarely seen in the Midwest.
Dec 26, 2011 |
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New study reveals coral reefs may support much more biodiversity than previously thought
Smithsonian scientists and colleagues conducted the first DNA barcoding survey of crustaceans living on samples of dead coral taken from the Indian, Pacific and Caribbean oceans. The results suggest that the ...
Nov 02, 2011 |
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Going to extremes to find greener chemicals
Next time you watch a TV program that cracks a crime using DNA evidence, tip your hat to the microbe that makes it all possible.
Nov 02, 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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Bowhead whales using the Northwest Passage
(PhysOrg.com) -- According to a new study published in Biology Letters, the climate changes and melting of ice in the Northwest Passage are leading to the mingling of two bowhead whale populations that have b ...
Sep 22, 2011 |
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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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