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Posts tagged body heat

May 16, 2012

 

sunscreen with hand

A Cool Sunburn

When you get sunburned you often feel chilled... why?

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.

October 7, 2003

 

Dehydration

Ever wonder how long your body could function without water? Find out on this Moment of Science.

September 27, 2003

 

Why Build an Igloo?

Surprisingly, snow makes good insulation. In physics, an insulator is a material that does not conduct heat very well, like an oven mitt.

September 27, 2003

 

Fluff up the Down

The large ones we see when a bird stretches its wings are “flight feathers,” but they also have fluffy ones called “down feathers.”

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