More than 300 years ago, three African-born slaves died on the Caribbean island of Saint Martin. No written records memorialized their fate, and their names and precise ethnic background remained a mystery. For centuries, ...
Biotechnology
Mar 9, 2015
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Ribonucleotides, units of RNA, can become embedded in genomic DNA during processes such as DNA replication and repair, affecting the stability of the genome by contributing to DNA fragility and mutability. Scientists have ...
Biotechnology
Jan 26, 2015
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(Phys.org)—A pair of researches are challenging claims made by a British scientist last year that DNA samples of animal remains found in the Himalayas were from a brown/extinct polar bear hybrid that is still alive and ...
For those who believe in the yeti, the news can only be described as, well, abominable. Science has cast its methodical eye on samples of hair reputed to have been left by the Himalayan snowman of legend... and determined ...
Plants & Animals
Jul 2, 2014
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(Phys.org) —An international team of researchers has concluded that migrations by pre-Columbian Andean societies were due to climatic changes, rather than growth in the Wari empire, as was previously suggested. In their ...
(Phys.org) —A multinational team of researchers has concluded that Neolithic farmers migrated to Europe from the Near East via the islands that dot the Mediterranean Sea between Turkey and Greece. In their paper published ...
(Phys.org) —An ancient retrovirus that altered the DNA of Neanderthals and Denisovans has now been found to have left alterations in modern human DNA as well—in some cancer patients. The team of researchers from the U.K. ...
(Phys.org) —Researchers have reconstructed the mitochondrial genome of a Middle Pleistocene cave bear using a bone sample found in Spain. This is the first time anyone has reconstructed such an old genome from a sample ...
(Phys.org) —A team of British researchers has published a paper in Proceedings of the National Academy of Sciences refuting claims made by a research team in 2007 suggesting that humans migrated to India as early as 75,000 ...
(Phys.org) —Southern Europeans are more genetically diverse than Northern Europeans. Geneticists have several different explanations for this phenomenon, one of which is migration from Africa to southern Europe. However, ...
