Watch How Researchers Are Tracking Polar Bears in Russia

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Though biologists believe that upwards of half the world's polar bear population lives in Russia, little research has actually been conducted on the vulnerable mammals living in the Russian Arctic. The last of the research took place back in 1974 during the Soviet Union, and it was lost with the collapse of the USSR.

In the video below from National Geographic, researchers attempt to fill in these gaps decades later. The team, helmed by Ilya Mordvintsev of A.N. Severtsov Institute of Ecology and Evolution, circles the unsurveyed south coast of the Kara Sea by helicopter. They then tranquilize and put radio collars on the female polar bears using radio tracking technology. Mordvintsev hopes that we may finally understand their migration routes through these efforts. This research may also prove useful in broadening our understanding of climate change's impact on these Arctic dwellers.

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Andrea Piacquadio / Pexels.com
Andrea Piacquadio / Pexels.com

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Do Dogs Get Headaches?

Even without raging benders, dogs might still get headaches.
Even without raging benders, dogs might still get headaches.
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Like babies, dogs can be hard to read in the medical ailment department. Are they listless because they’re tired, or because they’re sick? What’s behind their whining? And can they suffer that most human of debilitating conditions, the headache?

Gizmodo polled several veterinarians and animal behavior specialists to find out, and the answer seems to be a resounding yes.

Although a dog can’t express discomfort in a specific way, particularly if it doesn’t involve limping, animal experts know that canines that have diagnosed brain tumors or encephalitis can also be observed to have a high heart rate, a sign of physical pain. According to Tim Bentley, an associate professor of veterinary neurology and neurosurgery at Purdue Veterinary Medicine, administering painkillers will bring a dog’s heart rate down. If signs of physical distress also decrease, a headache was likely involved.

Unfortunately, not all dogs may offer overt signals they’re feeling some brain pain. According to Adam Boyko, an associate professor of biomedical sciences at the Cornell University College of Veterinary Medicine, dogs instinctively try to mask pain to avoid showing weakness.

Ultimately, dogs have many of the same central neural pathways as humans, which can likely go awry in some of the same ways. But the kind of persistent headaches owing to head colds or hangovers are probably rare in dogs. And while it goes without saying, they definitely don't need any of your Advil.

[h/t Gizmodo]