Prof. Marek Konarzewski, a corresponding member of the PAS whose work deals with issues of evolutionary biology, ecology, and physiology, discusses the lives of people and animals in post-reproductive age

In natural forests trees tend to die slowly and gradually, whereas commercial forests are managed by chainsaw-wielding lumberjacks who take a rather different approach – says Prof. Jacek Oleksyn

Females of most species cannot rely on their mates to help raise their young, so they strive to at least get the best possible genes for their offspring. But how do males communicate that they are good father material?


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