Sub Zero Ice Cream & Yogurt, Nashua

Most people visit Sub Zero Ice Cream & Yogurt for delicious helpings of frozen treats, including cheesecake ice cream and blackberry frozen yogurt. Some visit the dessert hotspot for a frozen treat accompanied by a science lesson.

That's because Mark and Rita McCabe, owners of Sub Zero Ice Cream & Yogurt in Nashua, tap into chemistry to create mouthwatering treats frozen with liquid nitrogen, which keeps the ice cream cold and creamy. Through the Liquid Nitrogen Science Education Program, Mark and Rita teach students the science behind their favorite dessert.