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    Male sparrows are less intimidated by the songs of aging rivals

    Few singers reach their sunset years with the same voice they had in younger days. Songbirds are no different. New research reveals that elderly swamp sparrows don’t sound quite like they used to — nor do they strike the same fear in other males who may be listening in. Humans are remarkably good at guessing a person’s age by their voice. But this is the first time the phenomenon has been demonstrated in wild animals. …read more

    Source:: Sciencedaily

          

    Teens feel the heat of climate change

    In 2017, when the drought in Cape Town was at its worst in over a century, aid organisation Gift of the Givers made an urgent call to South Africans to help farmers; suicide rates, amongst both small- and large-scale farmers, had surged in the few months prior. This and other evidence paints a bleak future picture in the context of climate change, and southern Africa is one of the areas that will suffer the most. …read more

    Source:: Physorg Latest

          

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