Dating the ‘Cradle’: A new timeline of early human history
Drastic climate changes shaped the timeline for rich deposits of early human ancestor fossils found in a network of South African caves known as the “Cradle of Humankind,” suggests a new study co-authored by paleoanthropologists at Washington University in St. Louis.
Secrets of the shells
By growing phytoplankton called coccolithophores in the lab, scientists were able to understand the large biological overprint on the climate signal encoded by their remains, clearing the way for their use as climate proxies.