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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Instant: Flower season

Spring seems to come every year. The apple tree in the front patio has leaves. The direct sun season in the living room: finished). All others have begun to take their dogs to longer walks. (The season of walking my dog ​​in relative peace: for more.) The trees take away the pollen and my nose…

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