Latest Breaking News On - Paleolakes drilling project - Page 1 : comparemela.com

Andrew Hill

Andrew Hill, 69, succumbed to cancer the morning of Saturday, September 12, 2015. He had lived in Glastonbury since 1994, and since 1985 was a member of the faculty of the Department of Anthropology at Yale University, where he was promoted to full Professor in 1992. He served as the chair of the Anthropology Department […]

Key phases of human evolution coincide with flickers in eastern Africa's climate

Key phases of human evolution coincide with flickers in eastern Africa's climate

Reading the rocks: Geologist finds clues to ancient climate patterns in chert

 E-Mail BINGHAMTON, N.Y. A million years ago, dry seasons became more frequent and forests retreated before the encroaching savanna. Meanwhile, clustered around a nearby lake, our ancient ancestors fashioned stone tools. During the long press of years, mud and sediment in that East African lake turned to stone, trapping pollen and microscopic organisms in its lattice. Today, researchers like Kennie Leet analyze samples of these ancient sediments, known as sediment cores, to create a picture of the environment early humans called home. A doctoral student in geological sciences, Leet is the first author on Labyrinth patterns in Magadi (Kenya) cherts: Evidence for early formation from siliceous gels, published in a recent issue of

New Geology articles published online ahead of print in June