Mo’ melons, no problems. Here’s a cuter way to stay cool in the sweltering summer heat. Parents in China have been seen nestling giant winter melons in their babies’ cribs to help keep their bodies cool. Images circulating on social media show the hot tots cuddling with oversized fruits and vegetables, which are often as big as the babies themselves. Pets, too, are getting in on the cooling action, per a recent Instagram post by Chinese news outlet CGTN Frontline. But it’s not just an adorable photo op — there’s both science and tradition behind the quirky summer trend. Winter…