News articles tagged with 'African'
Mio-Pliocene faunal exchanges and African biogeography: The record of fossil bovids
— 17 Feb 2011 19:00 | Geology and palaeontologyNew fossil discoveries have provided a glimpse into the biogeographic configuration of Africa over the last seven million years…
Termites foretell climate change in Africa's savannas
— 8 Sep 2010 12:24 | EnvironmentUsing sophisticated airborne imaging and structural analysis, scientists at the Carnegie Institution's Department of Global Ecology mapped more than 40,000 termite mounds over 192 square…
New research shows how disease-causing parasite gets around human innate immunity
— 31 Aug 2010 09:21 | HealthTrypanosomes are parasites responsible for many human and animal diseases, primarily in tropical climates. One disease these parasites cause, African sleeping sickness, results from…
Genome study identifies genetic variant linked to TB susceptibility in Africans
— 9 Aug 2010 07:04 | HealthScientists have identified a genetic variant which increases susceptibility to tuberculosis (TB) in African populations using a technique known as a genome-wide association (GWA) study.…
First major analysis of early hominid 'Ardi' published
— 2 Oct 2009 11:18 | Geology and palaeontologyIn a special issue of Science, an international team of scientists has for the first time thoroughly described Ardipithecus ramidus, a hominid species that lived 4.4 million years ago…
Genetic study of African village dogs challenges the ancestral origins of several dog breeds
— 4 Aug 2009 10:43 | BiologyDomesticated animals provide man with benefits such as food, clothing and muscle power. Dogs, which descend from grey wolves that originated in Eurasia, were the first animals domesticated…
Alchemy in Tanzania? Gas becomes solid at surface of Oldoinyo Lengai volcano
— 7 May 2009 11:14 | Geology and palaeontologyScience has unearthed the secret to what might have been alchemy at Oldoinyo Lengai volcano in Tanzania. There, in the ancient East African Rift at a place known to local Maasai people…
Ancestors of African Pygmies and neighbouring farmers separated around 60,000 years ago
— 10 Apr 2009 13:34 | BiologyAll African Pygmies, inhabiting a large territory extending west-to-east along Central Africa, descend from a unique population who lived around 20,000 years ago, according to an international…
Stanford study first ever to show US AIDS Relief program saved a million lives
— 7 Apr 2009 13:50 | HealthThe President's Emergency Plan for AIDS Relief, the ambitious U.S. government program begun in 2003, has cut the death toll from HIV/AIDS through 2007 by more than 10 percent in targeted…
Dust plays larger than expected role in determining Atlantic temperature
— 26 Mar 2009 18:00 | EnvironmentThe recent warming trend in the Atlantic Ocean is largely due to reductions in airborne dust and volcanic emissions during the past 30 years, according to a new study…