Being good moms couldn't save the woolly mammoth
Wednesday, December 22, 2010 - 02:00
in Earth & Climate
New research from The University of Western Ontario leads investigators to believe that woolly mammoths living north of the Arctic Circle during the Pleistocene Epoch (approx. 150,000 to 40,000 years ago) began weaning infants up to three years later than modern day African elephants due to prolonged hours of darkness.