Tag: "africa" at biology news

Link between sunspots, rain helps predict disease in east Africa

... ... "The hope is that people on the ground will use this research to predict heavy rainfall events," Stager...

Space-borne sensors help Africa tackle water shortage problems

... As part of the IWAREMA (Integrated Water Resource management for Zambia) project, funded through ESAs Data User Element, data from ESAs multispectral MERIS sensor aboard Envisat was used to create maps depicting existing water resources, suitable dam l...

New research proves single origin of humans in Africa

... Competing theories on the origins of anatomically modern humans claim that either humans originated from a single point in Africa and migrated across the world, or different pop...

UT and Atom Sciences Collaborate on NIH grant to develop test for major african disease

... ... Prominent in West Africa, the disease resembles lepr...

Clues to future evolution of HIV come from African green monkeys

... ... ... "Studying SIV helps us l...

First all-African produced genetically engineered maize is resistant to maize streak virus

Maize streak viruses (MSV), geminiviruses that can destroy most of a maize crop, are endemic to sub-Saharan Africa and adjacent Indian Ocean islands where they are transmitted by leafhoppers in the genus Cicadulina. Maize can supply 50% of the caloric intake in sub-Saharan Africa but, in certain years, a farmers entire crop can be wiped out. Now, scientists at the University of Cape Town, S...

Biocontrol of invasive water hyacinth contributes to socioeconomic and health improvements in Africa

In research that will be presented at the annual meeting of the American Society of Plant Biologists (ASPB) in Chicago (July 7-11, 2007), scientists implemented a successful bioeradication program of an invasive water weed in Africas Lake Victoria. Two insect biocontrol species, weevils in the genus Neochetina, were used, along with mechanical removal, to control the highly invasive water hyaci...

New clue why MS affects African-Americans differently than Caucasians

... ... The study found antibody levels in the cerebrospinal fluid of African Amer...

Stressed-out African naked mole-rats may provide clues about human infertility

... Dr Chris Faulkes, a senior lecturer at the School of Biological & Chemical Sciences, Queen Mary, University of London, will tell the conference that the African naked mole-rat is at the extreme end of a continuum of socially-induced reproductive suppression among mammals, with other examples includ...

Slow wave activity during sleep is lower in African-Americans than Caucasians

... Dr. Esra Tasali and colleagues at the University of Chicago collected overnight polysomnographic data from 12 African-Americans and 12 Caucasians, none of whom had any sleep com...

OSA symptoms more common among African-American women than Caucasians

... Elizabeth Beothy, of the University of Pennsylvania, who authored the study, administered a questionnaire to 269 subjects, with an average age of 48, and 49.4 perc...

African-Americans at increased risk for earlier preterm births

... African American mothers were also more than 5 times more likely to have repeating premature births than Caucasian mothers. Although all moth...

Missouri's African-American mothers more likely to deliver prematurely

African-American women are three times more likely to deliver babies three to 17 weeks prematurely than Caucasian women, according to a review of Missouri birth statistics by researchers at Washington University School of Medicine in St. Louis. ... In addition, African-American women are more likely to deliver babies prematurely in subsequent pregnancies. ... The researchers analyzed data from t...

Woods Hole Research Center scientists study impacts of industrial logging in Central Africa

Though the dense humid forests of Central Africa have been regarded as among the most pristine on Earth, the expansion of industrial logging and the accompanying proliferation of road density are threatening the future of this important ecosystem. Woods Hole Research Center scientists are using satellite imagery taken from 1976 to 2003 to study the development of industrial logging and road dens...

Malaria and Epstein-Barr virus linked to pediatric cancer in Africa

... EBV is a ubiquitous virus that...

West African Ocean sediment core links monsoons to global climate evolution

... Analyzing a 120-foot sediment core from the Gulf of Guinea in equatorial West Africa recovered by a German research expedition, UC Santa Barbara postdoctoral scholar Syee Weldeab and paleoclimatologist David Lea have revealed 155,000 years of continuous monsoon history. It is the longest, most detailed record...

DNA clues to inform conservation in Africa

... ... The study, one of the first of its kind, identified 28 key regions for bushbucks. By understanding the genetic similarity of populations inhabiting different h...

8 plants from South Africa may hold potential for treating high blood pressure

WASHINGTON Medicinal plants are an integral part of African culture, one of the oldest and most diverse in the world. In South Africa, 21st century drug therapy is used side-by-side with traditional African medicines to heal the sick. While plants have been used in African medicine to treat fever, asthma, constipation, esophageal cancer and hypertension, scientific analyses of the purported ben...

Microfossils unravel climate history of tropical Africa

Scientists from the NIOZ Royal Netherlands Institute for Sea Research obtained for the first time a detailed temperature record for tropical central Africa over the past 25,000 years. They did this in cooperation with a German colleague from the University of Bremen, The scientists developed an entirely new method to reconstruct the history of land temperatures based on the molecular fossils of...

Telemedicine initiative for sub-Saharan Africa: Pilot projects proposed

... Three activities are proposed: one focussing on the health workforce (scaling-up numbers, improving performance, increasing quality); a second on clinical services (increasing health service coverage, reaching isolated areas) and a third aimed at...

African carnage -- 1 year's seized ivory likely came from 23,000 elephants

... The problem is so serious that the giant creatures might be on the path to extinction unless western nations reinstate strong enforcement efforts that all but halted black-market ivory trade in the four years immediately after the ban was enacted, said Samuel Wasser, director of the UW Center for Conservation Biology. He is the lead author of a paper detailing the problem published t...

Survey finds perceived risk of recurrence low in African-American breast cancer survivors

... ... "Having a personal an...

Out of Africa -- bacteria, as well

When man made his way out of Africa some 60,000 years ago to populate the world, he was not alone: He was accompanied by the bacterium Helicobacter pylori, which causes gastritis in many people today. Together, man and the bacterium spread throughout the entire world. This is the conclusion reached by an international team of scientists led by Mark Achtman from the Max Planck Institute for Infec...

Africa's farmers will have room to grow

NAIROBI, Kenya, 29 Jan 2007 -- A vital research program that has already had significant impact on the lives of African farmers will accelerate its work for their benefit, thanks to new funding from one of the worlds most important philanthropic organizations, the Bill & Melinda Gates Foundation. The research also marks the forging of a strong, new partnership between the developing worlds premi...

Study provides first genetic evidence of long-lived African presence within Britain

... ... The researchers, led by Professor Mark Jobling, of the Department of Genetics...

Detaining patients is justified to contain deadly TB strain in South Africa say experts

... In a policy paper in the international health journal PLoS Medicine, Dr Jerome Singh of the Centre for the AIDS Programme of Research in Durban, South Africa (who is also an Adjunct Professor at the Joint Centre for Bioethics, University of Toronto) and colleagues say that "the forced isolation and confinement of exten...

New studies find amazing concentration of species unique to East African mountains

... "The wild areas of the Eastern Arc Mountains are pockets of Eden--the last remaining safe havens for over 1000 plants and animals found nowhere else on Earth and some with ancien...

Hofmeyr skull supports the 'Out of Africa' theory

... Reliably dated fossils are critical to understanding the course of human evolution. A human skull discovered over fifty years ago near the town of Hofmeyr, in the Eastern Cape Province of South Africa, is one such fossil. A study by an international team of scientists led by Frederick Grine of the Departments of Anthropology and Anatomical Sciences at Stony Brook University in New York publi...

Africa's least-known carnivore in Tanzania

NEW YORK, NY (December 21st, 2006)--The Bronx Zoo-based Wildlife Conservation Society (WCS) announced today that a camera-trap study in the mountains of Southern Tanzania has now recorded Africa's least-known and probably rarest carnivore: Jackson's mongoose, known only from a few observations and museum specimens. The findings, reported in the latest issue of the journal Oryx, mark not only a...

Project to intensify agricultural production in Great Lakes -- Africa's most impoverished region

... ... "The Great Lakes region already has far more people than its fragile soils can support," says Dr. Amit Roy, CEO of IFDC, An International Center for Soil Fertil...

African-Americans with prostate cancer more likely to have family history of prostate, breast cancer

... The data were part of the Flint Men's Health Study, a population-based study of African-American men ages 40-79 who live in Flint, Mich. The Flint Men's Health Study focuses specifically on African-American men as part of an effort to determine why they face a higher risk of prostate cancer than white m...

Out of Africa: Scientists uncover history of honey bee

CHAMPAIGN, Ill. -- "Every honey bee alive today had a common ancestor in Africa" is one conclusion drawn by a team of scientists that probed the origin of the species and the movements of introduced populations, including African "killer" bees in the New World.... "Our analysis indicates that the honey bee, Apis mellifera, originated in Africa and spread into Europe by at least two ancient migra...

A new approach to the treatment of malaria in pregnant women in West Africa

... ... The study, carried out among pregnant women who attended antenatal clinics...

Researchers publish largest genome-wide study of prostate cancer in African American men

... The study was conceived, implemented and executed primarily by African American investigators. Published in the journal, The Prostate, the AAHPC is a milestone in years of research designed to identify genetic risk...

Few clues about African ancestry to be found in mitochondrial DNA

Mitochondrial DNA may not hold the key to your origins after all. A study published today in the open access journal BMC Biology reveals that fewer than 10% of African American mitochondrial DNA sequences analysed can be matched to mitochondrial DNA from one single African ethnic group. There has been a growing interest in the use of mitochondrial DNA to trace maternal ancestries, and several co...

Fishing trade helps Africa

... ... Drawing together recent studies of the g...

African parasite makes component of fat differently from all other organisms

... Results of the study, in the Aug. 25 issue of Cell, "show that this is a completely new biochemical pathway for making fatty acids," says Soo Hee Lee, Ph.D., a postdoct...

Genetic variant is associated with higher rate of premature delivery in African-American women

... ... Jerome F. Strauss III, M.D., Ph.D...

African water authorities receive space tool training

... ESA's TIGER Initiative was launched in 2002 following the World Summit on Sustainable Development in Johannesburg. The primary objective of TIGER is to help African countries overcome problems faced in the collection, analysis and dissemination of water related geo-information by exploitin...

Improving livestock health, trade and human livelihoods in Africa

Boston -- In many parts of Africa, livestock are not only a source of food, but also an underutilized trading commodity. Working with international and regional agencies, Africa-based researchers from Feinstein International Center (FIC) at Tufts University address policies and practices to improve animal health and trade in local communities, including constraints around the export of livestock...
(Date:10/15/2014)... from strains of influenza virus increases with the latest ... complacent that the most substantial threats have been identified, ... arise when a new virus strain – against which ... in the human population. There have been five such ... which – the 1918 Spanish Flu – cost 50 ...
(Date:10/15/2014)... NXT-ID, Inc. (NASDAQ: NXTD and NXTDW) ... growing mobile commerce market releases photos and video of the recent ... October 13 th . Gino Pereira , ... angel investor Mr. Chad A. Verdi rang the bell.  ... his investors and employees "for their work and dedication in bringing ...
(Date:10/14/2014)... of years since T. rex took its ... scientists is breathing life back into dinosaurs using high-powered ... research has important implications for how dinosaurs used their ... sense of smell and cool their brains. , ... student Jason Bourke, lead author of the new study ...
Breaking Biology News(10 mins):Scientists 'must not become complacent' when assessing pandemic threat from flu viruses 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 3Dinosaur breathing study shows that noses enhanced smelling and cooled brain 2Dinosaur breathing study shows that noses enhanced smelling and cooled brain 3
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