UNIVERSITY OF THE WITWATERSRAND, GARETH HEMPSON(See: "Browsing antelope turned ancient African forests into grassy savanna ecosystems," University of Witwatersrand, Johannesburg, 2016.)
Image of the Day: Thorny Issues
The arrival of ancient antelope ancestors in Africa may have played a part in forests becoming grassland and prompted trees to sprout defensive thorns, according to research published this week.
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