Since he was 14, Al-Amin has tapped gum arabic, the resin of an acacia tree that thrives in Sudan's conflict states -- "manna" from heaven for some, a key ingredient in Coca-Cola for others.
Environment
Nov 25, 2011
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0
It's black, it's gritty, it's essential for barbecues -- and it just might save the world from global warming.
Environment
Oct 8, 2010
17
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An archaeologist says he found the oldest piece of rock art in Australia and one of the oldest in the world: an Aboriginal work created 28,000 years ago in an Outback cave.
Archaeology
Jun 18, 2012
1
0
Africa's forests are some of the natural wonders of the world. As someone who has spent decades studying the ecology and management of tropical forests, I'm constantly amazed by the unique forest ecosystems on the continent.
Ecology
Mar 21, 2022
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19
Bamboo, a plant not often associated with Africa, may be the key to combating soil degradation and massive deforestation on the continent as an alternative source of energy.
Environment
Dec 2, 2011
4
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Hassan Hussein cuts down 40 trees every month to fuel his charcoal business, fully aware of the impact his action has on the environment.
Environment
Nov 19, 2012
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2
Scientists are reporting that "biochar" -- a material that the Amazonian Indians used to enhance soil fertility centuries ago — has potential in the modern world to help slow global climate change. Mass production of biochar ...
Environment
Jan 13, 2010
4
0
About 66 million years ago a mountain-sized asteroid hit what is now the Yucatan in Mexico at exactly the time of the Cretaceous-Paleogene (K-Pg) mass extinction. Evidence for the asteroid impact comes from sediments in the ...
Earth Sciences
Mar 26, 2013
2
0
Three earthquakes in the Monterey Bay Area, occurring in 1838, 1890 and 1906, happened without a doubt on the San Andreas Fault, according to a new paper by a Portland State University researcher.
Earth Sciences
May 14, 2020
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267
A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.
Nanomaterials
May 1, 2011
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