May 18th, 2008
Why apes took to the trees
(Photo credit: http://nationalzoo.si.edu/Animals/PhotoGallery/Primates/7.cfm )
Scientists have long wondered why early primates inhabited forest canopies, given that climbing appears to consume more energy than walking. However Duke University researchers studying primates walking on treadmills found that there was no energy consumption difference in small primates.
This suggests that ancestors of humans, apes and monkeys may have taken to the trees […]
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