A Moment of Science

Posts tagged blubber

May 8, 2009

 

Polar bear family with cub

How Polar Bears Keep Their Cool

Thanks to its thick coat of fur, its tough hide, and a four inch layer of blubber, a polar bear is extremely well insulated.

December 2, 2005

 

Sleepless in Dolphintown

Can you imagine lasting an entire month without sleep? Believe it or not, newborn dolphins and killer whales have been observed to do just that. Learn more on this Moment of Science.

September 27, 2003

 

How Do Polar Bears Drink?

Eating snow to obtain water is metabolically expensive–it would take too much energy to melt down enough snow. Consequently, polar bears have evolved so that they don’t need to drink free water.

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