Bivalves, such as clams, oysters and mussels, record seasonal environmental changes in their shells, making them living chronicles of climate history. A new study of bivalve shells has detected two ...

Nitrogen is a key nutrient because it fuels the growth of plankton, which forms the basis of the marine food web. Two opposing processes determine the global nitrogen cycle: nitrogen fixation and ...

A study of clam shells suggests Atlantic Ocean currents may be approaching a “tipping point”. Scientists studied records of quahog clams (which can live for over 500 years) and dog cockles – because ...

Learn how the Atlantic cold blob may reveal a weakening ocean circulation system, and why reduced heat transport could affect Europe’s weather, rainfall, and agriculture. Look at a map of global ...

Quahog clams provide evidence that critical North Atlantic Ocean currents may be approaching a “tipping point,” researchers said. Mehdi Benkaci Unsplash Just as tree rings can tell us how old a tree ...

AMES, Iowa – Two Iowa State University graduate students are just back from the Gulf of Maine with another big catch of clam shells. Shelly Griffin and Madelyn Mette recently boarded a lobster boat, ...

AMES, Iowa – Alan Wanamaker, working as a postdoctoral researcher from 2007 to 2009, was charged with beginning to compile a 1,000-year record of the marine climate for a spot in the North Atlantic ...