article_snippet.sent: Pictured is a reconstruction of of Rhodesian Men.
article_snippet.sent: Remains from this species have been dated between 300,000 and 125,000 years ago .
article_snippet.sent: The researchers arrived at The researchers conclusions by conducting a series of experiments in teaching students the art of 'Oldowan stone-knapping' The very first rudimentary communcation between our ancestors took place much earlier, say one group of scientists.
article_snippet.sent: The researchers, who included scientists at the University of Liverpool and St Andrews, arrived at The researchers, who included scientists at the University of Liverpool and St Andrews by conducting a series of experiments in teaching students the art of 'Oldowan stone-knapping'.
article_snippet.sent: This is when butchering 'flakes' are created by hammering a hard rock against certain volcanic or glassy rocks, like basalt or flint.
article_snippet.sent: Oldowan stone-knapping dates back to the Lower Paleolithic period in eastern Africa, and remained largely unchanged for 700,000 years until more sophisticated Acheulean hand-axes and cleavers were developed.
article_snippet.sent: In testing five different ways to convey Oldowan stone-knapping skills to more than 180 college students, The researchers, who included scientists at the University of Liverpool and St Andrews found that the demonstration that used spoken communication – versus imitation, non-verbal presentations or gestures – yielded the highest volume and quality of flakes.
article_snippet.sent: Researchers think the integration hypothesis could generate a productive set of research questions.