A new way of classifying countries in successful aging: the planet’s state

No Sustainable Development Goals (SDG) traces more than 230 performance indicators To determine progress in social, economic and environmental sustainability in countries around the world, older adults are barely mentioned. While there are several indicators that document the progress of population subgroups, no indicator is specifically addressed to older adults. In an illuminating class on…

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Hunger -dependent female receptivity leads to optimal variable polyandria with equal aptitude in a nuptial gift spider

Female mating decisions are often plastic, dependent on the environment. In the spider of nuptial gifts Passura MirabilisThe optimal number of mating for females, that is, the number that maximizes aptitude, depends on the availability of dams and is regulated by hunger dependent receptivity. We determine the lower and upper optimal number of females (at…

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HIV drugs show promise against Alzheimer’s disease

A class of medications commonly used to treat HIV and hepatitis B could offer an unexpected benefit: protection against Alzheimer’s disease. In a study published on May 8 in Alzheimer’s and dementiaResearchers of the Health System of the University of Virginia have discovered convincing evidence that nucleoside transcriptase inhibitors (NRTI) significantly reduce the risk of…

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