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image: Hibernating Rodents Feel Less Cold

Hibernating Rodents Feel Less Cold

By Abby Olena | December 19, 2017

Syrian hamsters and thirteen-lined ground squirrels are tolerant of chilly temperatures, thanks to amino acid changes in a cold-responsive ion channel. 


image: Hibernation Helpers

Hibernation Helpers

By Catherine Offord | February 8, 2016

Gut microbes may help regulate the metabolic changes a bear experiences before and during hibernation, scientists show.


image: Sleepy Squirrels

Sleepy Squirrels

By The Scientist Staff | January 1, 2016

Visit the lab of Matthew Andrews at the University of Minnesota Duluth, who studies hibernating thirteen-lined ground squirrels to learn how their hearts manage extreme temperature fluctuations.


image: Heart-Healthy Hibernators

Heart-Healthy Hibernators

By Jef Akst | January 1, 2016

Overwintering ground squirrels survive fluctuations in body temperature that would cause cardiac arrest in nonhibernators.


image: Bear Study Breaks Down

Bear Study Breaks Down

By Kerry Grens | September 2, 2015

Authors retract a paper on grizzlies’ metabolism after finding one person made up data.

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image: How Bulgy Bears Keep Diabetes at Bay

How Bulgy Bears Keep Diabetes at Bay

By Jyoti Madhusoodanan | August 8, 2014

A genetic switch in hibernating bears keeps the animals from becoming insulin-resistant. 

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image: Prepped for the Long Sleep

Prepped for the Long Sleep

By Jyoti Madhusoodanan | July 30, 2014

Hibernation-related proteins are common even in non-hibernating animals, a study shows.


image: Killing Pests by Disrupting Hibernation

Killing Pests by Disrupting Hibernation

By Tia Ghose | September 30, 2011

New synthetic hormones can indirectly kill the corn earworm by disrupting its winter sleep habits.


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