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Bumpy beast was a desert dweller

During the Permian era, the Earth was dominated by a single supercontinent called Pangea – "All-Earth". Animal and plant life dispersed broadly across this land, as documented by identical fossil species ...

dateJun 24, 2013 in Archaeology & Fossils
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Teamwork against mutant free riders

(Phys.org)—Pathogenic salmonellae rely on a division of labour: some of them see to the common wellbeing, while others are able to stand up to free rider salmonellae better. This teamwork bears certain ...

dateFeb 21, 2013 in Cell & Microbiology
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