Researchers from the Sharma Centre for Heritage Education, India, find stone tools in the sediments of Attirampakkam, a small town near Chennai which are dated to be 3,85,000-year-old. This finding gives us a new understanding for how and when human migration out of Africa might have taken place.
Researchers from IISST used simple polymethyl methacrylate (PMMA) to partially correct a turbulent laser beam and restore its statistical order.