News tagged with acacia trees

Gum arabic under an electron microscope (w/ Video)

This alien glob in the video below is a piece of gum arabic from the hardened sap of the Acacia tree, most likely collected from a tree in Sudan. Rox Middleton explains how the electron microscope has changed the way we are ...

dateJul 01, 2014 in Nanophysics
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Zimbabwe weighs cost of too many elephants

A herd of elephants hobbles past a cluster of acacia trees to a water-hole deep in Zimbabwe's vast Hwange game reserve, attracted by the drone of generators pumping water round the clock into the pool.

dateOct 23, 2012 in Ecology
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Africa's tree belt takes root in Senegal

An ambitious plan to build a vast forest belt straight across Africa to contain desertification has taken root in Senegal, greening huge tracts of land with drought-tolerant tree species.

dateJun 20, 2011 in Environment
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