Summer may not officially begin until June 21, but things are already heating up. With the Fourth of July around the corner, weather forecasters are issuing heat warnings across wide swaths of the United States. So how can you enjoy all those backyard barbecues and beach days without melting like Olaf under the blazing sun?

You probably have a standard summertime toolkit: a floppy hat, a gallon of sunscreen, and a patch of shade. All good things to have to avoid the effects of too much sun exposure. Not to sound shady, but sometimes even the biggest umbrella doesn’t cut it. If you’ve ever felt like you were simmering from the inside out, science has a “cool” secret for you: just tap into your body’s own internal radiator.

The pulse point hack that acts........

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