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ScienceDaily: Fossils & Ruins News |
| Archaeologists reveal pre-Hispanic cities in Bolivia with laser technology Posted: 25 May 2022 08:09 AM PDT Several hundred settlements from the time between 500 and 1400 AD lie in the Bolivian Llanos de Mojos savannah and have fascinated archaeologists for years. Researchers have now visualized the dimensions of the largest known settlement of the so-called Casarabe culture. Mapping with the laser technology LIDAR indicates that it is an early urbanism with a low population density -- the only known case so far from the Amazon lowlands. The results shed new light on how globally widespread and diverse early urban life was and how earlier societies lived in the Amazon. |
| Climate change reveals unique artifacts in melting ice patches Posted: 25 May 2022 08:09 AM PDT Norwegian mountains are full of time capsules. Thousands of years of human and ecological history are preserved in remnant patches of ice. Now this treasure trove of information threatens to melt away, unless we take action. |
| Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms Posted: 25 May 2022 08:08 AM PDT There's a new method for determining whether dinosaurs were hot- or cold-blooded, using clues in their bones that indicated how much the individual animals breathed in their last hour of life. The study shows that the bird-hipped dinosaurs like T. rex and Brachiosaurus were hot-blooded, while the lizard-hipped dinosaurs like Triceratops and Stegosaurus were cold-blooded. |
| First Australians ate giant eggs of huge flightless birds, ancient proteins confirm Posted: 25 May 2022 07:29 AM PDT Scientists settle debate surrounding species that laid eggs exploited by early Australian people around 50,000 years ago. Shell proteins point to Genyornis, which was among the 'mega-fauna' to go extinct a few thousand years after humans arrived on the continent. |
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