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Evolution of microbial cooperation, ant/fungus agriculture, aging, sex roles...

Here are some papers that look interesting this week:

Signal diffusion and the mitigation of social exploitation in pneumococcal competence signalling

A mixed community of actinomycetes produce multiple antibiotics for the fungus farming ant Acromyrmex octospinosus

Caloric restriction or catalase inactivation extends yeast chronological lifespan by inducing H2O2 and superoxide dismutase activity

Quantitative measures of sexual selection reveal no evidence for sex-role reversal in a sea spider with prolonged paternal care

Evidence for competition between carnivorous plants and spiders

Viability selection prior to trait expression is an essential component of natural selection

Paleoclimate and bubonic plague: a forewarning of future risk?

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