Polar bear footprints on the shorefast sea ice north of Utqiagvik, AK. Jennifer Adams. View gallery - 3 images With grim predictions that all polar bears may be wiped ...

To collect e-DNA from wild polar bears in northern Alaska, we sampled the upper layer of snow (~1 cm) from their footprints. The snow was thawed and filtered to capture DNA—in the form of epidermal ...

“To think that a polar bear walking across the sea ice leaves enough DNA in its footprint to identify and genotype a bear is astonishing,” he said in an email. “No bears are harassed or even ...

The findings revealed that nuclear DNA from 87.5% of wild polar bear tracks and 59.1% of wild lynx tracks could be retrieved. Furthermore, ...

Can scientists use DNA from polar bear footprints to help improve conservation efforts during this age of climate change? This is what a recent study published in Frontiers in Conservation Science ...

The “stuff” is polar bear DNA from epidermal cells bears leave behind in their tracks. In Alaska, the researchers used trowels to scrape a thin layer of snow from fresh bear footprints.

International Polar Bear Day raises awareness on the issues facing polar bears and the ways the carbon footprint can be decreased. Photo by Bill Greenblatt/UPI St. Louis is home to its own polar ...

“Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes and are likely to face further challenges with the expansion of the human footprint in the Arctic ...

“Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes, and are likely to face further challenges with the expansion of the human footprint in the ...

“Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes, and are likely to face further challenges with the expansion of the human footprint in the ...

Polar bear mom and cubs particularly vulnerable The researchers, which include co-authors from Environment and Climate Change Canada, noted that cubs face the brunt of these climate-induced ...