Posts Tagged ‘Africa’
Did abrupt climate change spark human culture?
CARDIFF U. (UK) — Rapid climate change 80,000 to 40,000 years ago, the Middle Stone Age, may have sparked cultural innovation in early modern humans, according to new research. Continue…
Wednesday, May 22, 2013 11:35 - 1 Comment
Society & Culture - May 15, 2013 10:16 - 0 Comments
DNA reveals origins of Minoan civilization
U. WASHINGTON (US) — DNA from skeletal remains clears up competing theories about the origins of the earliest European civilization. (more…)
Health & Medicine - Mar 26, 2013 8:30 - 0 Comments
In Africa, food staple toxin debilitates kids
MICHIGAN STATE (US) — Poorly processed cassava, a food staple in much of sub-Saharan Africa, afflicts as many as tens of millions of children with konzo, a disease with devastating physical and cognitive effects. (more…)
Health & Medicine - Mar 14, 2013 13:05 - 0 Comments
Political strife can breed drug-resistant HIV
BROWN (US) — Political violence can have the long-term consequence of increasing viral resistance to treatment and HIV treatment failure. (more…)
Health & Medicine - Mar 13, 2013 10:27 - 0 Comments
Fertilizer adds selenium to Malawi food crops
U. NOTTINGHAM (UK) — Soil in Malawi often lacks enough selenium for adequate nutrition, according to researchers who say enriched fertilizer could raise levels of the mineral in the country’s food. (more…)
Science & Technology - Mar 7, 2013 9:30 - 1 Comment
Man’s rare Y chromosome traced back 338,000 years
U. ARIZONA (US) — DNA from an African American in South Carolina pushes back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. (more…)
Health & Medicine - Feb 26, 2013 12:11 - 3 Comments
In Sudan, efforts to erase breast cancer stigma
PURDUE (US) — A new program that uses local volunteers helps overcome the shame and social barriers faced by women in sub-Saharan Africa that prevent early screening for breast cancer. (more…)
Top Stories - Feb 18, 2013 10:26 - 3 Comments
Killer fungus spares West Africa’s frogs
U. WASHINGTON (US) — A suffocating fungus that threatens amphibians around the world has skipped over the diverse frog population in West Africa. (more…)
Science & Technology - Feb 14, 2013 15:31 - 7 Comments
Clay tablet purifies water for months
U. VIRGINIA (US) — A ceramic tablet infused with silver or copper nanoparticles can disinfect water for up to six months. (more…)
Science & Technology - Feb 1, 2013 13:00 - 0 Comments
How long have humans walked on grasslands?
USC (US) — An analysis of how vegetation has changed in the cradle of humanity over the past 12 million years is challenging long-held beliefs about human evolution. (more…)
Science & Technology - Dec 4, 2012 11:03 - 2 Comments
Fewer lions survive in ‘pockets’ of savannah
DUKE/UC DAVIS (US) — About 75 percent of Africa’s savannahs and more than two-thirds of the lion population once estimated to live there have disappeared in the last 50 years. (more…)
Top Stories - Oct 18, 2012 6:36 - 1 Comment
In Africa, 15M cell phones map malaria
U. FLORIDA (US) — Phone calls and text messages from 15 million mobile phones may help track the spread of malaria in sub-Saharan Africa, new research shows. (more…)
Science & Technology - Oct 17, 2012 14:48 - 0 Comments
Flies take their ‘European’ genes back to Africa
UC DAVIS (US) — When ancestral humans walked out of Africa tens of thousands of years ago, Drosophila melanogaster fruit flies came along with them. (more…)
Health & Medicine - Sep 11, 2012 14:28 - 4 Comments
AIDS in Africa: Does religion get a bad rap?
PENN STATE (US) — Criticisms of how religious groups are mishandling Africa’s AIDS epidemic are inaccurate and overstated, according to sociologist Jenny Trinitapoli. (more…)
Health & Medicine - Aug 1, 2012 12:11 - 0 Comments
In developing world, 150 million can’t sleep
U. WARWICK (UK) — The first pan-African and Asian analysis of sleep problems reveals that an estimated 150 million adults in the developing world suffer from sleep-related problems. (more…)
Health & Medicine - Jul 25, 2012 13:56 - 7 Comments
Low-cost cell phone device fights anemia
JOHNS HOPKINS (US) — A low-cost device that connects to cell phones may help save hundreds of thousands of anemic mothers and children who die each year in developing countries. (more…)
Health & Medicine - May 9, 2012 12:53 - 0 Comments
Control killer fly with satellite tracking
MICHIGAN STATE (US) — Scientists have developed a plan to effectively control the tsetse fly using satellite images of Kenyan landscape and by monitoring tsetse movement. (more…)
Health & Medicine - May 8, 2012 15:38 - 1 Comment
Flash-heat breast milk to lower HIV risk
UC DAVIS (US) — Mothers in sub-Saharan Africa could successfully follow a protocol for flash-heating breast milk to reduce transmission of HIV to their infants, a new study reports. (more…)
Science & Technology - Apr 3, 2012 10:37 - 2 Comments
Cave yields earliest evidence of fire by humans
U. TORONTO (CAN) — Scientists have uncovered evidence that human ancestors used fire one million years ago—300,000 years earlier than believed. (more…)
