Bowhead whales using the Northwest Passage
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.
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.
Researchers uncover genetic link to cattle diseases
The origin of three costly cattle diseases is genetically linked, according to findings from U.S. Department of Agriculture (USDA) researchers.
Using a mathematical model to evaluate microsatellite genotyping from low-quality DNA
Noninvasive sampling has been used in studies of endangered animals. It has the advantage of obtaining samples without affecting the target animals. However, the quality of DNA obtained by such methods is ...
Geneticists seek mother of all macadamias on the Gold Coast
(PhysOrg.com) -- The DNA of rare and endangered macadamia species will soon be fingerprinted in an effort to determine the original wild tree or trees that launched the global macadamia industry.
UK drops DNA tests for refugees and asylum seekers
(AP) -- Britain has dropped a controversial policy of using DNA tests to identify the nationality of African refugees and asylum seekers after criticism that there is no scientific merit to the practice.
New DNA analysis thousand times more sensitive
(PhysOrg.com) -- An international team of researchers has developed a new DNA technology which makes it possible to perform reliable analyses on DNA quantities that are a thousand times smaller than was previously the case. ...
A new detection system can reveal bioterrorist attacks on our water supply network
If pathogens enter into our water supply network many people may fall ill quickly. To protect us against this biological threat, researchers have developed a detection system partly based on nanotechnology ...
Japan police plan DNA database to identify tsunami dead
Japanese police are to set up a DNA database to help identify the bodies of those killed in the March earthquake and tsunami, reports said Tuesday.
Scientists find gene linked to alcohol consumption
Scientists have identified a gene that appears to play a role in regulating how much alcohol people drink, in a study of over 47,000 people published today in Proceedings of the National Academy of Sciences.
To better detect heart transplant rejections, scientists test for traces of donor's genome
Heart transplant recipients and their physicians are likely more concerned with the function of the donated organ than with the donor's DNA sequences that tag along in the new, healthy tissue. However, researchers at the ...
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 ...
Contagious cancer thrives in dogs by adopting host's genes
An curious contagious cancer, found in dogs, wolves and coyotes, can repair its own genetic mutations by adopting genes from its host animal, according to a new study in the journal Science.