Only a very few animals use tools. Crows wield sticks to find food, chimps have fashioned primitive spears to hunt and dolphins in Australia have been spotted trapping fish in huge conch shells. Now, ...

In Massachusetts, common blue mussels may not have the star power of Wellfleet oysters or the charisma of quahogs. But like all shellfish they play an important role in marine ecosystems. Mussels are ...