Assigning human fossils older than around 250 ka to different groups of the genus Homo depends entirely on their physical features. That is because ancient DNA has yet to be found and analysed from…| Earth-logs
Triassic reef limestones in the Dolomites of northern Italy. Credit: © Matteo Volpone Four out of six mass extinctions that ravaged life on Earth during the last 300 Ma coincided with large igneous…| Earth-logs
Therizinosauria is a group of unusual theropod dinosaurs known from Cretaceous deposits in Asia and North America. The clade exhibits unique features, including lanceolate teeth, a rostral rhamphotheca, and a broad, opisthopubic pelvis. Some of those characteristics are associated with a shift in dietary preferences and an adaptation to herbivory. But the most striking feature, […]| Letters from Gondwana.
