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This week: fossils, epidemics, cooperation, and aging

Arthropods in amber from the Triassic Period "arthropods some 100 Ma older than the earliest prior records in amber"

Unifying the spatial epidemiology and molecular evolution of emerging epidemics "spatial parameters of an emerging epidemic [can] be directly estimated from sampled pathogen genome sequences"

Evolution of cooperation and skew under imperfect information "full cooperation may not be achievable due to private information over individuals' outside options"

No third-party punishment in chimpanzees "Dominants retaliated when their own food was stolen, but they did not punish when the food of third-parties was stolen, even when the victim was related to them. "

Ageing: Mixed results for dieting monkeys
Impact of caloric restriction on health and survival in rhesus monkeys from the NIA study "Our study suggests a separation between health effects, morbidity and mortality"

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