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| Wallabies and bats harbor 'fossil' genes from the most deadly family of human viruses Posted: 01 Jul 2010 09:00 PM PDT Modern marsupials may be popular animals at the zoo and in children's books, but new findings reveal that they harbor a "fossil" copy of a gene that codes for filoviruses, which cause Ebola and Marburg hemorrhagic fevers and are the most lethal viruses known to humans. |
| Why you should never arm wrestle a saber-toothed tiger Posted: 01 Jul 2010 09:00 PM PDT Saber-toothed cats may be best known for their supersized canines, but they also had exceptionally strong forelimbs for pinning prey before delivering the fatal bite, says a new study. |
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