News tagged with dna evidence
lobSTR algorithm rolls DNA fingerprinting into 21st century
As any crime show buff can tell you, DNA evidence identifies a victim's remains, fingers the guilty, and sets the innocent free. But in reality, the processing of forensic DNA evidence takes much longer than a 60-minute primetime ...
Apr 27, 2012 |
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Genetic study unravels ancient links between African and European populations
Large numbers of people moved between Africa and Europe during recent and well-documented time periods such as the Roman Empire, the Arab conquest, and the slave trade, and genetic evidence of these migrations lives on in ...
Mar 26, 2012 |
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Statistical model unlocks barriers to use of fingerprint evidence in court
Potentially key fingerprint evidence is currently not being considered due to shortcomings in the way it is reported, according to a report published today in Significance, the magazine of the Royal Statistical Society and th ...
Feb 08, 2012 |
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MtDNA tests trace all modern horses back to single ancestor 140,000 years ago
(PhysOrg.com) -- For many years archeologists and other scientists have debated the origins of the domesticated horse. Nailing down a time frame is important because many historians view the relationship between ...
Jan 31, 2012 |
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Dog skull dates back 33,000 years
If you think a Chihuahua doesn't have much in common with a Rottweiler, you might be on to something.
Other Sciences / Archaeology & Fossils
Jan 23, 2012 |
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Author Grisham laments bad courtroom science
Best-selling crime author John Grisham told lawmakers that faulty science is all over the US justice system, and urged nationwide improvements to forensic techniques.
Dec 08, 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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Aboriginal Australians were the first explorers: Genome study rewrites the history books
An international team of researchers has for the first time sequenced the genome of a man who was an Aboriginal Australian. They have shown that modern day Aboriginal Australians are the direct descendents ...
Sep 22, 2011 |
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Fluid equilibrium in prehistoric organisms sheds light on a turning point in evolution
Maintaining fluid balance in the body is essential to survival, from the tiniest protozoa to the mightiest of mammals. By researching recent genomic data, Swiss researchers have found genetic evidence that links this intricate ...
Sep 22, 2011 |
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Before DNA: 20th-century forensics
Historians tend to see the birth of DNA fingerprinting in 1985 as a watershed in forensic investigation - the moment that gave birth to the systematic crime scene analysis we associate with TV programmes like ...
Sep 06, 2011 |
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Confirmed: Sunflower domesticated in US, not Mexico
New genetic evidence presented by a team led by Indiana University biology doctoral graduate Benjamin Blackman confirms the eastern United States as the single geographic domestication site of modern sunflowers. ...
Aug 15, 2011 |
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Genetic evidence clears Ben Franklin (w/ Video)
The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show the famed U.S. statesman did not import the tallow trees ...
Jul 29, 2011 |
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With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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DNA reveals 7 new mice species
After living incognito for millions of years in a remote area of a forested mountain range in the Philippines, seven newfound species of mice owe their recent discovery to DNA evidence and the Florida State ...
Jul 07, 2011 |
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Researchers model genome copying-collating steps during cell division
Researchers from Virginia Tech and Oxford University have proposed a novel molecular mechanism for the living cell's remarkable ability to detect the alignment of replicated chromosomes on the mitotic spindle in the final ...
May 23, 2011 |
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