A reconstruction of Homo longi, also known as dragon man Chuang Zhao
The following is an extract from Our Human Story, a newsletter about human evolution. Sign up to receive it for free in your inbox every month.
There are a lot of different kinds of uncertainty in science. Sometimes the uncertainty comes from having very little data. For instance, we know very little about the first couple million years of hominin evolution, because from that time period we have only a few specimens: the 7-million-year-old Sahelanthropus tchadensis, the 6-million-year-old Orrorin tugenensis and …
![Australopithecus sediba silhouette showing the newly-found vertebrae along with other skeletal remains from the species. The enlarged detail (a photograph of the fossils in articulation on the left; micro-computed tomography models on the right) shows the newly discovered fossils, in colour on the right between previously known elements in grey. Right: Life reconstruction of Australopithecus sediba com-missioned by the University of Michigan Museum of Natural History. [? Sculpture: Elisabeth Daynes / Photograph: S. Entres?sangle]](https://images.newscientist.com/wp-content/uploads/2021/11/23130516/PRI_211648445.jpg?width=300)
