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ScienceDaily: Fossils & Ruins News |
| Posted: 05 Apr 2022 06:27 AM PDT Like diseases affecting humans, parasites can wage a deadly evolutionary 'arms race' against their hosts. But can hosts and parasites upgrade their weapons at the same rate? |
| New non-destructive DNA method opens opportunities Posted: 05 Apr 2022 05:45 AM PDT A new method of obtaining ancient genomic data without damaging source material has been developed, creating new opportunities for museum and archaeological collections worldwide. |
| Disbelief in human evolution linked to greater prejudice and racism Posted: 04 Apr 2022 01:46 PM PDT A disbelief in human evolution was associated with higher levels of prejudice, racist attitudes and support of discriminatory behavior against Blacks, immigrants and the LGBTQ community in the U.S., according to recent research. |
| T. rex's short arms may have lowered risk of bites during feeding frenzies Posted: 01 Apr 2022 06:48 AM PDT Extinct for 66 million years, T. rex still inspires speculation about its anatomy, behavior and fierce physique. One conundrum: its peculiarly short forelimbs, which have relatively limited mobility. While scientists have suggested explanations, a paleontologist puts the proposals to the test and finds them wanting. He hypothesizes that the arms reduced in size to limit damage, possibly fatal, when a pack of T. rexes descended on a carcass with their bone-crunching teeth. |
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