Catalan is part of a small but serious cadre of would-be clonees, people who have studied the science, considered the issues and concluded that their pursuit of happiness might best be fulfilled by having themselves or a loved one cloned. Their perspective is not countenanced on Capitol Hill, where Congress -though vigorously debating whether to allow the cloning of human embryos for research -...

Information is increasingly being viewed as a resource used by organisms to increase their fitness. Indeed, it has been formally shown that there is a sensible way to assign a reproductive value to information and it is non-negative. However, all of this work assumed that information collection is cost-free. Here, we account for such a cost and provide conditions for when the reproductive value...

Abstract Expectations of fathering have changed over the past few decades, and it appears fathers are increasingly participating in care activities. Despite this, capacity for Australian men to participate child rearing is impeded by limitations around flexible working arrangements. The link between fathering, masculinity, paid work, persistent expectation that will be financial providers withi...

A recent study has shown that respiratory structures are disproportionately oversized in larger insects, and that oxygen supply to leg muscles may be physically constrained in the largest modern insects. High oxygen concentrations during the Carboniferous may have alleviated these physical constraints allowing the evolution of gigantic arthropods.