News articles tagged with 'America'
A hop from South America - tracking Australian marsupials
— 28 Jul 2010 10:57 | BiologyDebates have raged for decades about how to arrange the Australian and South American branches of the marsupial family tree. While marsupials like the Australian tammar wallaby and…
Mitochondrial genome analysis revises view of the initial peopling of North America
— 29 Jun 2010 09:56 | HealthThe initial peopling of North America from Asia occurred approximately 15,000-18,000 years ago, however estimations of the genetic diversity of the first settlers have remained inaccurate.…
The peopling of the Americas
— 15 Aug 2009 14:42 | HealthAt one time or another most of us wonder where we came from, where our parents or grandparents and their parents came from. Did our ancestors come from Europe or Asia? As curious as…
Mini dinosaurs prowled North America
— 21 Mar 2009 17:10 | Geology and palaeontologyMassive predators like Albertosaurus and Tyrannosaurus rex may have been at the top of the food chain, but they were not the only meat-eating dinosaurs to roam North America, according…
Teeth of Columbus' crew flesh out tale of new world discovery
— 20 Mar 2009 11:02 | HealthThe adage that dead men tell no tales has long been disproved by archaeology. Now, however, science is taking interrogation of the dead to new heights. In a study that promises fresh…
First Americans arrived as 2 separate migrations, according to new genetic evidence
— 9 Jan 2009 16:00 | Geology and palaeontologyThe first people to arrive in America travelled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online…
The role of the slave trade in the evolution of American wild rice species
— 29 Oct 2008 14:54 | BiologyRice is the world's foremost cereal crop as a human food source. Today's cultivated varieties derive from the species Oryza sativa and Oryza glaberrina, domesticated respectively in…
Genetics provide evidence for the movement of avian influenza from Asia to North America
— 28 Oct 2008 14:00 | HealthWild migratory birds may be more important carriers of avian influenza viruses from continent to continent than previously thought, according to new scientific research that has important…
NTDs burden in Latin America may exceed that of HIV/AIDS, TB and malaria
— 6 Oct 2008 02:54 | HealthAccording to a new analysis published 24th September in the open-access journal PLoS Neglected Tropical Diseases, 'The Neglected Tropical Diseases of Latin America and the Caribbean:…
Isthmus of Panama formed as result of plate tectonics
— 30 Jul 2008 14:45 | Geology and palaeontologyContrary to previous evidence, a new University of Florida study shows the Isthmus of Panama was most likely formed by a Central American Peninsula colliding slowly with the South American…