263 Multiple hominin genera, including the earliest Homo erectus lineage, were present in South Africa 2 million years ago.
https://science.sciencemag.org/content/368/6486/eaaw7293
262 The pectoral fin of an Elpistostege watsoni specimen from the Upper Devonian period of Canada combines digits and fin rays, blurring the line between the appendages of fish and land vertebrates.
https://www.nature.com/articles/s41586-020-2100-8
261 Last Interglacial Iberian Neandertals as fisher-hunter-gatherers.
https://science.sciencemag.org/content/367/6485/eaaz7943
260 A hydrogen-dependent geochemical analogue of primordial carbon and energy metabolism.
https://www.nature.com/articles/s41559-020-1125-6
259 Archaeological evidence for two separate dispersals of Neanderthals into southern Siberia.
https://www.pnas.org/content/early/2020/01/21/1918047117
258 A carbonate-rich lake solution to the phosphate problem of the origin of life.
https://www.pnas.org/content/117/2/883
257 Shrinking dinosaurs and the evolution of endothermy in birds.
https://advances.sciencemag.org/content/6/1/eaaw4486
256 Earliest hunting scene in prehistoric art.
https://www.nature.com/articles/s41586-019-1806-y
255 Last appearance of Homo erectus at Ngandong, Java, 117,000–108,000 years ago.
https://www.nature.com/articles/s41586-019-1863-2
254 Extraterrestrial ribose and other sugars in primitive meteorites.
https://www.pnas.org/content/116/49/24440
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