Ajit Pai @AjitPai
In Ethiopia, @goCMNH researcher unearths oldest skull ever found of an australopithecine, a critical group of early human ancestors. "It takes you back about 3.8 million years to think about what our ancestors looked like at that time." @michaelgreshko: https://t.co/wOzLAXLfWx — PolitiTweet.org