The iconic and saddening image of a suffering seabird with a plastic ring stuck around its neck has often been used as a call to action, but plastic pollution brings even subtler dangers in the form of microplastics - tiny pieces of plastic smaller than five centimeters.  Now, a new study from researchers at the Department of Environmental Sciences at the University of Basel has taken aim at measuring the amount of microplastics that have found their way to the Weddell Sea in Antarctica, and where exactly...