July 23, 2007Chimps on treadmills may help explain why human ancestors evolved into bipeds 10 million years ago.Images: Humans vs. chimps at the gymTAGS:leg, treadmill, energy, human, patch management, researcher
June 5, 2006You may not eat figs on a daily basis today, but 11,000 years ago it was the hot new food--and may have been a first step toward modern agriculture.TAGS:human, crop, Middle East, food, professor