July 11: Pumas vs. penguins, and other clever carnivores
Recent scientific studies have identified a new dinosaur species, Nanotyrannus, and analyzed the competitive interactions between wolves and cougars in Yellowstone. Additionally, new machine learning tools are being used to track grizzly bears in British Columbia.
Small tyrannosaur fossils belonging to a dinosaur about half the size and a tenth of the mass of other Tyrannosaurus rex fossils have been puzzling scientists for years. A new study, co-led by James Napoli at Stony Brook University, has finally revealed that they're not just young T. rexes , as was previously suspected, but an entirely new species. The research was published in the journal Nature .
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