Pollen grains analysis helps understand how the first humans migrated from Africa across Europe and Asia, research in Science Advances says. The pollen data showed that warming temperatures supported forests that expanded into Siberia and facilitated early human migration there, researchers from the University of Kansas, US, said in their study. "This research addresses long-standing debates regarding the environmental conditions …
Volcanic ash left over from a huge ancient eruption has helped scientists determine that important early Homo sapiens fossils found in Ethiopia in 1967 are older than previously believed, providing fresh insight into the dawn of our species. Researchers said on Wednesday they used the geochemical fingerprints of a thick layer of ash found above the sediments containing the fossils …