Could tainted cookware be poisoning an entire continent?
Despite the ban on lead in gasoline, blood lead levels in African nations have remained stubbornly high. Now, researchers from…
Hunting humans imitate honeybees
Working with the Hadza tribe in Africa, researchers have found that human hunter-gatherers follow the same mathematical pattern in their…
Ecotourism wildcard in African disease cocktail
Somewhat counter-intuitively, protected areas of Africa where numbers of humans are limited appear to also be hotspots for the exchange…
Evidence for HIV in humans in distant past
HIV may have affected humans for much longer than is currently believed, according to a scientist who says that the…
Male circumcision for HIV prevention creates new dilemmas
An increase in high risk behaviors and a false belief in HIV immunity are just two of the issues that…
Evergreen agriculture emerges as Africa’s key to food security
Crop production occurring under a full canopy of trees sounds counter-intuitive, but a unique acacia known as a “fertilizer tree”…
Unique tree could help feed Africa
A type of acacia tree with an unusual growth habit – unlike virtually all other trees – holds particular promise…
Compelling new evidence for benefits of circumcision
Reporting their findings in the New England Journal of Medicine, American and Ugandan scientists working in Africa describe how adult…
Giant Cassava Plants Could Feed Africa
Ohio State University molecular biologist Richard Sayre says that the genetically modified cassava plants he has developed could help solve…
Lions And Elephants For U.S. Great Plains?
Researchers from Cornell University, ecologists and conservationists have jointly authored a paper inNature suggesting that cheetahs, lions, elephants, camels and…