How Old Is That Polar Bear? The Answer Is in Its Blood. So-called “epigenetic clocks” are helping wildlife biologists estimate the ages of animals far more easily than in the past.

The results confirmed the researchers' fears. Scientists make alarming discovery after studying polar bear blood samples: 'Things are changing' first appeared on The Cool Down.

But these changes are poorly understood in the Arctic, a region that is morphing rapidly under climate change (SN: 11/15/21).Rode and her colleagues looked to polar bear immune systems for crucial ...

Towering over the Arctic landscape, the polar bear stands as the ultimate apex predator. In this video, we explore what makes this massive carnivore so deadly – from its unmatched strength and stealth ...

An aerial view of the glaciers as a polar bear walks in Svalbard and Jan Mayen, Norway, on July 15, 2023. Sebnem Coskun—Anadolu Agency/Getty Images Full-grown bears are by no means immune to ...

Siku, a polar bear at Lincoln Park Zoo, developed allergies to various substances including human hair dander (Credit: Lincoln Park Zoo) It may be that zoo animals are so well cared for they ...

Jan. 1: Bradford Beach Polar Bear Plunge. ... Foolery's will host a breakfast buffet with Bloody Marys for $17 at 9 a.m., and Polar Plunge registration begins at 10 a.m.

Polar bear cubs emerging from their dens for the first time: New study captures rare footage Feb 27, 2025 Polar bears' exposure to pathogens is increasing as their environment changes, blood ...

By mid-century, polar bears may not be able to survive as far south as Churchill, he said, a future also forecast in a 2012 review he co-authored with legendary polar bear researcher Ian Stirling.

In a study that has provided clues about how polar bear disease could be linked to ice loss, scientists examined blood samples from bears in the Chukchi Sea - between Alaska and Russia.

News; Sci/Tech; How old is that polar bear? The answer is in its blood. Aug. 14, 2023 Updated Mon., Aug. 14, 2023 at 9:32 p.m. A polar bear carefully uses stepping stones along the shore of a ...