How to Turn Wetsuits Into ‘Artificial Blubber’

Even with a wetsuit, a cold water dive can be a bone-chilling experience. In Arctic waters, divers typically last only an hour, and even that short time can lead to numb, painful extremities. But, by improving on a design already used in nature, researchers say that they’ve turned regular wetsuits into what they call “artificial blubber,” greatly increasing their performance with just a simple treatment. Fighting the Chills Currently the only viable cold-water alternatives to wet suits …

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