Note: Content may be edited for style and length. These sites, initially discovered in the s, contained the remains of at least 11 modern humans. Techniques that help your website to this site, please notify us at once and we have. Radiocarbon dating showed that the tools dated back at least years. No other bones had been found near it, and its original resting place had been befouled by river sediment.
Other fossils from South Africa reveal microbial communities that date to 2. The researchers used samarium-neodymium dating to arrive at the 4. Each microfossil is about 10 micrometers wide; eight of them could fit along the width of a human hair.