International students contributed almost $27 billion dollars to the U.S. economy in 2014. The growth has been driven largely by students from upper-middle-income economies and countries with large national scholarship programs, which marks a significant shift from before the 2008 financial...

Natural gas hydrate (NGH) technology holds great promise in natural gas storage and transportation. Utilization of promotor can effectively improve NGH formation kinetics. In this work, we constructed -SO3--rich hydrogel clathrate (poly(styrenesulfonate-co-acrylamide), (PSS-co-AAm)) as promoter...