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6 March 2014 1:04 pm ,
Vol. 343 ,
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
- 6 March 2014 1:04 pm , Vol. 343 , #6175
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Ice Age Tools Hint at 40,000 Years of Bushman Culture
2 August 2012 2:03 pm
Archaeologists studying a South African cave say they have found 44,000-year-old artifacts—including bone tools and poisoned arrowheads—nearly identical to those still in use by hunter-gatherers. The team calls the finds the oldest known examples of "modern culture," the adaptations that enabled Homo sapiens to make it through the last Ice Age and survive to the present day.