The boutique ice cream business is booming. But Shira Gold has mined an idea for more unusual summertime treats: gourmet ice pops. This month, Gold opened a Jamaica Plain storefront (3213 Washington St.; wildpopsusa.com) for "Wild Pops," her refreshing line of small-batch licks available in flavors such as pink lemonade, spicy pineapple, dark Belgian chocolate, avocado and tamarind Thai chili. [more...]