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Signs of biological aging in polar bear tissue samples suggest that stress associated with climate change is taking a toll.
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Signs of biological aging in polar bear tissue samples suggest that stress associated with climate change is taking a toll.
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[ad_1] Ukraine is hoping to see its first Western jet fighters in the coming months. Preparations for this historic event are in full swing and it is believed that the…
[ad_1] Military pilots must be alert when piloting fighter jets, such as this F-15E Strike Eagle. US Air Force photo by Senior Airman Hiram Martinez The US military wants to…