Long-lived mice are less active

Female mice with a high life expectancy are less active and less explorative. They also eat less than their fellow females with a lower life expectancy. Behavioral biologists from the University of Zurich reveal that there ...

It's all in the genes—including the tracking device

Parentage-based tagging (PBT) is an emerging genetic-based fish tagging method that involves genotyping hatchery broodstock. PBT is a passive non-invasive approach to stock identification because the parents, not the offspring, ...

Biological fitness trumps other traits in mating game

When a new species emerges following adaptive changes to its local environment, the process of choosing a mate can help protect the new species' genetic identity and increase the likelihood of its survival. But of the many ...

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