News tagged with savannas

Out of Africa and Into the American Midwest

Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem ...

Jan 09, 2012
3 / 5 (2) 0

Gum arabic potential cure for Sudanese ills

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.

Nov 25, 2011
5 / 5 (3) 0

Forest and savanna can switch quickly

(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes ...

Oct 14, 2011 report
4.4 / 5 (8) 1 | with audio podcast

Seeing double: Africa's 2 elephant species

Contrary to the belief of many scientists (as well as many members of the public), new research confirms that Africa has two—not one—species of elephant. Scientists from Harvard Medical School, the ...

Dec 21, 2010
5 / 5 (13) 2 | with audio podcast

Researchers discover baby sauropod tracks

Staff at the Morrison Natural History Museum have again discovered infant dinosaur footprints in the foothills west of Denver, Colorado, near the town of Morrison. Dating from the Late Jurassic, some 148 million ...

Nov 01, 2010
4.8 / 5 (4) 0 | with audio podcast

Termites foretell climate change in Africa's savannas

Using sophisticated airborne imaging and structural analysis, scientists at the Carnegie Institution's Department of Global Ecology mapped more than 40,000 termite mounds over 192 square miles in the African ...

Sep 07, 2010
4 / 5 (6) 0 | with audio podcast
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