The human mouth, which maintains a near-boiling temperature, needs to be constantly cooled by liquid-nitrogen pills or a jaw-mounted mouth fan. Take a more delicious route to cooling your maw with today's Groupon: for $3, you get $7 worth of frozen yogurt at Yummy Yogurt in Solana Beach.

At Yummy Yogurt, hot, hungry families can cool off by helping themselves to a self-serve yogurt counter equipped with eight frosty flavors and more than 50 toppings. Start with a frozen foundation such as the shop's signature mixed-berry yogurt and then build upward, topping it with chocolate chunks and one of six sweet syrups ($0.44/oz.). Or, top a peanut-butter swirl with a healthy dose of golden honey to create a salty-sweet taste that can be used to fend off attacks from friendly bears. Sitting amongst candy-colored walls and silver, streamlined fixtures, patrons can relax while enjoying their chilly concoctions in the shop's climate-controlled confines or take a seat under an umbrella on the outdoor patio, enjoying the company of a palm tree while mocking its inability to use a spoon.