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Wed, Jun 10 07:02 AM

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6 headlines
SciencePhys.org10h ago

Wild bird eggs reveal pollutants' environmental footprints

Monitoring the eggs of wild birds like the bearded vulture and the imperial eagle over a decade reveals the accumulation and persistence of environmental pollutants in ecosystems. At first glance, a wild bird's egg represents the continuity of the species. However, it can also serve as a chemic...

SciencePhys.org16h ago

Ancient ground squirrel droppings reveal Arctic's rich evolutionary history

Ground squirrel droppings, preserved for millennia in the Yukon's deep permafrost, have yielded an enormous amount of environmental DNA from dozens of species of plants, insects, microbes and large mammals, offering detailed genetic information about an environment that no longer exists. It is a...